Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.129996
M. K. NANDA, A. GHOSH, D. SARKAR, S. SARKAR, K. BRAHMACHARI, K. RAY, R. GOSWAMI, M. MAINUDDIN
The present study assessed the seasonal and inter-annual variation in cropping pattern and crop acreage during summer (mid-February to May) and winter (November to January) seasons of 2017-2018, 2018-2019, and 2019-2020 cropping years over the Gosaba Block of Indian Sundarbans. Multi-temporal Sentinel-2 images acquired during the critical crop growth stages during a particular season were taken together for classification instead of a single image classification approach. This study employed the random forest algorithm for image classification for seasonal crop-fallow mapping over three consecutive years. The estimated post-monsoon (winter) crop coverage was less than that in the pre-monsoon (summer) season. In the post-monsoon season crop coverage varied from 3% to 12% of the net cultivable area, whereas pre-monsoon season crop coverage varied from 23% to 42%. The estimated area under boro rice decreased in 2018-19 and 2019-20 with a simultaneous increase in non-rice crops. Seasonal fallow land showed wide inter-annual variation. The amount and distribution of rainfall during the last part of the monsoon season and in the following months had a strong influence on the cropping pattern of the Sundarbans region. Results clearly showed that winter crop coverage gradually decreased over the study period depending on the rainfall pattern in the monsoon season and in the following months. During summer season, the area under non-rice crops notably increased at the cost of the area under boro rice. These findings clearly indicated the farmers’ preferences for cultivating crops according to the climatic variability. The present study may be helpful for cropping intensification in the threatened regions for achieving sustainability.
{"title":"Assessing the Seasonal Crop Acreage in the Ganges Delta Using Multi-Temporal Sentinel-2 Data: A Case Study in Gosaba CD Block","authors":"M. K. NANDA, A. GHOSH, D. SARKAR, S. SARKAR, K. BRAHMACHARI, K. RAY, R. GOSWAMI, M. MAINUDDIN","doi":"10.54894/jiscar.41.1.2023.129996","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.129996","url":null,"abstract":"The present study assessed the seasonal and inter-annual variation in cropping pattern and crop acreage during summer (mid-February to May) and winter (November to January) seasons of 2017-2018, 2018-2019, and 2019-2020 cropping years over the Gosaba Block of Indian Sundarbans. Multi-temporal Sentinel-2 images acquired during the critical crop growth stages during a particular season were taken together for classification instead of a single image classification approach. This study employed the random forest algorithm for image classification for seasonal crop-fallow mapping over three consecutive years. The estimated post-monsoon (winter) crop coverage was less than that in the pre-monsoon (summer) season. In the post-monsoon season crop coverage varied from 3% to 12% of the net cultivable area, whereas pre-monsoon season crop coverage varied from 23% to 42%. The estimated area under boro rice decreased in 2018-19 and 2019-20 with a simultaneous increase in non-rice crops. Seasonal fallow land showed wide inter-annual variation. The amount and distribution of rainfall during the last part of the monsoon season and in the following months had a strong influence on the cropping pattern of the Sundarbans region. Results clearly showed that winter crop coverage gradually decreased over the study period depending on the rainfall pattern in the monsoon season and in the following months. During summer season, the area under non-rice crops notably increased at the cost of the area under boro rice. These findings clearly indicated the farmers’ preferences for cultivating crops according to the climatic variability. The present study may be helpful for cropping intensification in the threatened regions for achieving sustainability.","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"209 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.131591
PIYUSH VADHER, HITESH KARDANI, IMTIYAZ BELEEM
Mantis shrimps are the most significant predators in the shallow waters and intertidal regions of tropical and subtropical marine ecosystems and they are integral components of the food chain. Additionally, mantis shrimps are sensitive to environmental pollutants and indicate poor environmental conditions through their ecological behaviour. As a fisheries species, they hold immense socio-economic importance for several countries. In this study, we document three species of stomatopods found in the waters of Gujarat, India. Notably, Manningia arabica (Manning, 1990), which is rare and endemic to the Arabian Sea, is reported for the first time in Indian waters. Furthermore, Alimopsis supplex (Wood-Mason, 1875) and Oratosquillina quinquedentata (Brooks, 1886) are also documented for the first time in the waters of Gujarat. The study includes taxonomic descriptions, habitat characteristics, and geographical distribution information for each of these species.
{"title":"New Records of Mantis Shrimps (Crustacea: Stomatopoda) from the Gujarat Water, India","authors":"PIYUSH VADHER, HITESH KARDANI, IMTIYAZ BELEEM","doi":"10.54894/jiscar.41.1.2023.131591","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.131591","url":null,"abstract":"Mantis shrimps are the most significant predators in the shallow waters and intertidal regions of tropical and subtropical marine ecosystems and they are integral components of the food chain. Additionally, mantis shrimps are sensitive to environmental pollutants and indicate poor environmental conditions through their ecological behaviour. As a fisheries species, they hold immense socio-economic importance for several countries. In this study, we document three species of stomatopods found in the waters of Gujarat, India. Notably, Manningia arabica (Manning, 1990), which is rare and endemic to the Arabian Sea, is reported for the first time in Indian waters. Furthermore, Alimopsis supplex (Wood-Mason, 1875) and Oratosquillina quinquedentata (Brooks, 1886) are also documented for the first time in the waters of Gujarat. The study includes taxonomic descriptions, habitat characteristics, and geographical distribution information for each of these species.","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.134176
PRAGYAN DAS, L.M. GARNAYAK, B. K. MOHAPATRA
{"title":"Productivity, Profitability and Resource Use Efficiency of Linseed Varieties Under Different Establishment Methods and Foliar Nutrition in Rice Fallow","authors":"PRAGYAN DAS, L.M. GARNAYAK, B. K. MOHAPATRA","doi":"10.54894/jiscar.41.1.2023.134176","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.134176","url":null,"abstract":"","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.120701
PRASHANT ., P. DEBAJE, M.S. GAWANKAR, R.K. MATHUR, H.P. MAHESWARAPPA, P.M. HALDANKAR, P. C. HALDAVANEKAR
{"title":"Evaluation of Hybrid Oil Palm Genotypes for Their Performance in Konkan Coastal Region of Maharashtra","authors":"PRASHANT ., P. DEBAJE, M.S. GAWANKAR, R.K. MATHUR, H.P. MAHESWARAPPA, P.M. HALDANKAR, P. C. HALDAVANEKAR","doi":"10.54894/jiscar.41.1.2023.120701","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.120701","url":null,"abstract":"","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364961","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.127078
I. ROY, M. RAHMAN, LALMUANSANGI ., R. BEHERA, M. KARUNAKARAN, A. MANDAL
Garole is a highly prolific micro-sheep breed whose breeding tract falls under the coastal saline zone of Sundarbans in West Bengal, India. Generally, this sheep breed is mainly reared for meat production by the small, marginal and landless farmers. The breed is highly resistant to foot rot disease and has a high mothering instinct for the lambs. Adaptability to hot humid conditions in the saline marshy lands of Sundarbans, survivability under low-input system and grazing capability in knee-deep water makes it the suitable breed in this region. The average weights of Garole sheep at birth, 3, 6, 9 and 12 months of age ranged from 0.06-1.00, 4.1-5.8, 6.0-8.68, 7.81-8.01 and 10.4-14.4 kg, respectively. The average daily weight gain (ADG) of this breed at pre-weaning (0-3 months) age is 32.4 g, while ADGs at post-weaning ages, i.e. at 3-6, 6-9, 9-12 and 3-12 months of ages are 22.11, 20.41, 21.93 and 21.28 g, respectively. On an average, male lambs attain puberty at the age of 8-9 months. The highest average litter size of this breed is observed as 1.94 in the third lambing. The incidence of twining is 66%. The optimum age of slaughter is 12 months of age. The dressing percentage of this sheep is almost 53% at 12 months of age. This breed produces coarse-quality fleece with a staple length of 4.99 cm and a fibre diameter of 53.02 microns. The original source of the FecB gene (Fecundity gene) is proclaimed to be the Garole sheep. In India, this breed is also being utilized to improve the prolificacy rate of non-prolific sheep breeds. The population of Garole sheep has declined from 0.27 to 0.16 million from 2003 to 2013 in its native tract. The breed needs the utmost attention in conservation efforts.
{"title":"Garole - A Promising Sheep Breed in Coastal West Bengal","authors":"I. ROY, M. RAHMAN, LALMUANSANGI ., R. BEHERA, M. KARUNAKARAN, A. MANDAL","doi":"10.54894/jiscar.41.1.2023.127078","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.127078","url":null,"abstract":"Garole is a highly prolific micro-sheep breed whose breeding tract falls under the coastal saline zone of Sundarbans in West Bengal, India. Generally, this sheep breed is mainly reared for meat production by the small, marginal and landless farmers. The breed is highly resistant to foot rot disease and has a high mothering instinct for the lambs. Adaptability to hot humid conditions in the saline marshy lands of Sundarbans, survivability under low-input system and grazing capability in knee-deep water makes it the suitable breed in this region. The average weights of Garole sheep at birth, 3, 6, 9 and 12 months of age ranged from 0.06-1.00, 4.1-5.8, 6.0-8.68, 7.81-8.01 and 10.4-14.4 kg, respectively. The average daily weight gain (ADG) of this breed at pre-weaning (0-3 months) age is 32.4 g, while ADGs at post-weaning ages, i.e. at 3-6, 6-9, 9-12 and 3-12 months of ages are 22.11, 20.41, 21.93 and 21.28 g, respectively. On an average, male lambs attain puberty at the age of 8-9 months. The highest average litter size of this breed is observed as 1.94 in the third lambing. The incidence of twining is 66%. The optimum age of slaughter is 12 months of age. The dressing percentage of this sheep is almost 53% at 12 months of age. This breed produces coarse-quality fleece with a staple length of 4.99 cm and a fibre diameter of 53.02 microns. The original source of the FecB gene (Fecundity gene) is proclaimed to be the Garole sheep. In India, this breed is also being utilized to improve the prolificacy rate of non-prolific sheep breeds. The population of Garole sheep has declined from 0.27 to 0.16 million from 2003 to 2013 in its native tract. The breed needs the utmost attention in conservation efforts.","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.126458
RAJALAXMI BEHERA, P.K. NAIK, M.K. PADHI, D. KUMAR, B.K. SWAIN, S.K. MISHRA, A. SAHU, C.K. BEURA
Indian coastal eco-system has an 8129 km long coastline covering an area of 10.78 M ha possessing about 17% of the total national population. The key activities in the coastal ecosystems include agriculture and allied sectors, industries, tourism, shipping transport, mining, etc. Farming of crops, livestock and fish is the major livelihood source for people in the coastal ecosystem. Besides providing food and earnings, livestock also provides social and cultural standards to the farming community. Coastal regions cover only 14.2% of the total Indian landmass but account for 19.5% of the total Indian livestock population. Coastal India is home to several breeds of livestock like the Vechur cattle of Kerala, Ongole cattle of Andhra Pradesh, Garole sheep and Swamp buffalo of Sundarbans, Nicobari fowls of Andaman and Nicobar Islands, Black Bengal goats, Gir cattle, Billy goat of Barren Island in the Andamans, Chilika buffalo, Kuzi, Kendrapada and Edka sheep of Odisha, Malnad Gidda cattle, Gounti buffalo and Gounti poultry of Karnataka, Agonda Goan pig of Goa, Nicoberi, Frizzle, Necked neck and Barred Deshi poultry and Nicobari pig of Andam and Nicobar Island. However, livestock farming system in the coastal ecosystem faces several challenges such as low productivity, salinity of land, frequent occurrence of natural disasters like floods, cyclones and climate change. Scientific designing of farmhouses, feeding, breeding and management and adoption of climate resilient breeds/strains can help in exploiting the full genetic potential of these livestock and poultry germplasm. The development of climate-resilient smart villages, equipped with shelters for both people and livestock, in flood and cyclone-prone regions, along with the implementation of advanced weather forecasting systems, can play a crucial role. These systems would provide timely alerts about impending hazardous events, enabling the adoption of essential preventative measures to safeguard both human and animal lives.
{"title":"Challenges and Future Prospects of Livestock and Poultry Farming in Indian Coastal Ecosystem - An Overview","authors":"RAJALAXMI BEHERA, P.K. NAIK, M.K. PADHI, D. KUMAR, B.K. SWAIN, S.K. MISHRA, A. SAHU, C.K. BEURA","doi":"10.54894/jiscar.41.1.2023.126458","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.126458","url":null,"abstract":"Indian coastal eco-system has an 8129 km long coastline covering an area of 10.78 M ha possessing about 17% of the total national population. The key activities in the coastal ecosystems include agriculture and allied sectors, industries, tourism, shipping transport, mining, etc. Farming of crops, livestock and fish is the major livelihood source for people in the coastal ecosystem. Besides providing food and earnings, livestock also provides social and cultural standards to the farming community. Coastal regions cover only 14.2% of the total Indian landmass but account for 19.5% of the total Indian livestock population. Coastal India is home to several breeds of livestock like the Vechur cattle of Kerala, Ongole cattle of Andhra Pradesh, Garole sheep and Swamp buffalo of Sundarbans, Nicobari fowls of Andaman and Nicobar Islands, Black Bengal goats, Gir cattle, Billy goat of Barren Island in the Andamans, Chilika buffalo, Kuzi, Kendrapada and Edka sheep of Odisha, Malnad Gidda cattle, Gounti buffalo and Gounti poultry of Karnataka, Agonda Goan pig of Goa, Nicoberi, Frizzle, Necked neck and Barred Deshi poultry and Nicobari pig of Andam and Nicobar Island. However, livestock farming system in the coastal ecosystem faces several challenges such as low productivity, salinity of land, frequent occurrence of natural disasters like floods, cyclones and climate change. Scientific designing of farmhouses, feeding, breeding and management and adoption of climate resilient breeds/strains can help in exploiting the full genetic potential of these livestock and poultry germplasm. The development of climate-resilient smart villages, equipped with shelters for both people and livestock, in flood and cyclone-prone regions, along with the implementation of advanced weather forecasting systems, can play a crucial role. These systems would provide timely alerts about impending hazardous events, enabling the adoption of essential preventative measures to safeguard both human and animal lives.","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Turkey farming is comparatively a new enterprise in West Bengal. A survey of 55 turkey farmers selected from six blocks of South 24 Parganas, a coastal district of West Bengal was conducted during 2021-2022 to study the socio-economic conditions of turkey growers, to evaluate the perceptions of the farmers towards scientific turkey farming and to characterize turkey production system in this district. A pre-tested and semi-structured questionnaire was used to evaluate the status of backyard turkey farming in the district. The outcome of the results revealed that the majority (71%) of the turkey growers were middle-aged with an educational background of secondary education. The results further showed that the farmers were mostly (54.5%) with limited land resources. Due to the scarcity of land, the farmers required an alternative livelihood for subsistence. A majority (72.7%) of the farmers had prior experience in turkey farming. The results showed that 81.8% of farmers had good extension contacts with various institutes. The perception scoring method revealed that 72.7% of farmers have a good perception of scientific turkey farming. It was further observed that a significant (P<0.05) association was present between perception score and extension contact. The turkey production system was studied in detail and it was found that the farmers had scientifically maintained the key factors including litter management, vaccination and biosecurity arrangements of the farm. Most (67.3%) of the farmers had developed marketing linkages with West Bengal Livestock Development Corporation (WBLD) for better profitability. The economic analysis of turkey farming indicated a benefit-cost ratio of 1.74. The study revealed that experienced and progressive farmers with a good perception of scientific farming are involved in this new enterprise. Overall, backyard turkey farming is a profitable enterprise and should be propagated among farmers of South 24 Parganas through various extension support systems.
{"title":"Status of Backyard Turkey (Meleagris gallopavo) Production System in South 24 Parganas District of West Bengal, India","authors":"SARBASWARUP GHOSH, NARAYAN CHANDRA SAHU, AVIJIT HALDAR","doi":"10.54894/jiscar.41.1.2023.128933","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.128933","url":null,"abstract":"Turkey farming is comparatively a new enterprise in West Bengal. A survey of 55 turkey farmers selected from six blocks of South 24 Parganas, a coastal district of West Bengal was conducted during 2021-2022 to study the socio-economic conditions of turkey growers, to evaluate the perceptions of the farmers towards scientific turkey farming and to characterize turkey production system in this district. A pre-tested and semi-structured questionnaire was used to evaluate the status of backyard turkey farming in the district. The outcome of the results revealed that the majority (71%) of the turkey growers were middle-aged with an educational background of secondary education. The results further showed that the farmers were mostly (54.5%) with limited land resources. Due to the scarcity of land, the farmers required an alternative livelihood for subsistence. A majority (72.7%) of the farmers had prior experience in turkey farming. The results showed that 81.8% of farmers had good extension contacts with various institutes. The perception scoring method revealed that 72.7% of farmers have a good perception of scientific turkey farming. It was further observed that a significant (P<0.05) association was present between perception score and extension contact. The turkey production system was studied in detail and it was found that the farmers had scientifically maintained the key factors including litter management, vaccination and biosecurity arrangements of the farm. Most (67.3%) of the farmers had developed marketing linkages with West Bengal Livestock Development Corporation (WBLD) for better profitability. The economic analysis of turkey farming indicated a benefit-cost ratio of 1.74. The study revealed that experienced and progressive farmers with a good perception of scientific farming are involved in this new enterprise. Overall, backyard turkey farming is a profitable enterprise and should be propagated among farmers of South 24 Parganas through various extension support systems.","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.135357
UTTAM KUMAR MANDAL, SUDIPA MAL, APU KUMAR NAIYA, AMIT GHOSH, DIBYENDU BIKAS NAYAK, SAHEB DIGAR, RINCHEN NOPU BHUTIA, T.D. LAMA, D. BURMAN, K.K. MAHANTA, S.K. SARANGI, S. RAUT, A.K. BHARDWAJ
Nano-fertiliser has come up to reduce the use of inorganic fertilisers and to reduce the antagonistic effects of fertilizers on the environment. A field experiment was laid out under the randomised block design (RBD) in coastal West Bengal, India during kharif season of 2022 to examine the efficacy of IFFCO nano-urea in okra (Abelmoschus esculentus) cultivation. The treatments were T1 = no fertiliser; T2 = recommended fertiliser dose @ 90:45:45 kg ha-1:: N:P2O5:K2O; T3 = 1/3 N urea, PK + 1/3 N urea + 1/3 N nano-urea on equivalent basis (nano); T4 = 1/3 N urea, PK + 1/3 N nano + 1/3 N nano; T5 = 1/3 N nano, PK + 1/3 N nano + 1/3 N nano. Nitrogen was applied in three split doses whereas P and K were applied as basal. The plant vigour was recorded 50 days after sowing using Trimble Green Seeker. T2 and T3 recorded significantly higher normalised difference vegetation index (NDVI) values, and T1 recorded the lowest. Maximum okra yield was recorded in T2 whereas 44.7%, 18.5%, 38.1% and 41.2% yield reductions were recorded in T1, T3, T4, and T5, respectively. Fruit nitrogen content was also maximum in T2 (2.31% on a dry weight basis). The nitrate content in leachate was maximum in T2 (1.22 mg L-1) as compared to nano urea treated plots (0.74-0.85 mg L-1). The results of GHG measurement showed that the N2O emission decreased to 0.79-1.71 mg m-2 day-1 with nano-urea in comparison to 2.85 mg m-2 day-1 with conventional prilled urea. The field experiment showed that there was a yield penalty in case of nano-urea application but it has environmental benefits in terms of minimum nitrate level in leachate and low N2O emissions than the conventional urea application.
{"title":"Nano-urea for Vegetable Cultivation in Coastal West Bengal","authors":"UTTAM KUMAR MANDAL, SUDIPA MAL, APU KUMAR NAIYA, AMIT GHOSH, DIBYENDU BIKAS NAYAK, SAHEB DIGAR, RINCHEN NOPU BHUTIA, T.D. LAMA, D. BURMAN, K.K. MAHANTA, S.K. SARANGI, S. RAUT, A.K. BHARDWAJ","doi":"10.54894/jiscar.41.1.2023.135357","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.135357","url":null,"abstract":"Nano-fertiliser has come up to reduce the use of inorganic fertilisers and to reduce the antagonistic effects of fertilizers on the environment. A field experiment was laid out under the randomised block design (RBD) in coastal West Bengal, India during kharif season of 2022 to examine the efficacy of IFFCO nano-urea in okra (Abelmoschus esculentus) cultivation. The treatments were T1 = no fertiliser; T2 = recommended fertiliser dose @ 90:45:45 kg ha-1:: N:P2O5:K2O; T3 = 1/3 N urea, PK + 1/3 N urea + 1/3 N nano-urea on equivalent basis (nano); T4 = 1/3 N urea, PK + 1/3 N nano + 1/3 N nano; T5 = 1/3 N nano, PK + 1/3 N nano + 1/3 N nano. Nitrogen was applied in three split doses whereas P and K were applied as basal. The plant vigour was recorded 50 days after sowing using Trimble Green Seeker. T2 and T3 recorded significantly higher normalised difference vegetation index (NDVI) values, and T1 recorded the lowest. Maximum okra yield was recorded in T2 whereas 44.7%, 18.5%, 38.1% and 41.2% yield reductions were recorded in T1, T3, T4, and T5, respectively. Fruit nitrogen content was also maximum in T2 (2.31% on a dry weight basis). The nitrate content in leachate was maximum in T2 (1.22 mg L-1) as compared to nano urea treated plots (0.74-0.85 mg L-1). The results of GHG measurement showed that the N2O emission decreased to 0.79-1.71 mg m-2 day-1 with nano-urea in comparison to 2.85 mg m-2 day-1 with conventional prilled urea. The field experiment showed that there was a yield penalty in case of nano-urea application but it has environmental benefits in terms of minimum nitrate level in leachate and low N2O emissions than the conventional urea application.","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136364971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.137602
H. BANERJEE, A. PAHARI, A. BANIK, J. NAYAK, A. ALIPATRA
The present experiment was carried out during the winter season of 2018-19 and 2019-20 at Regional Research Station (Coastal Saline Zone) under BCKV, Kakdwip, South 24-Parganas. The objective of the study was to find out the ideal combination of mustard genotype and fertilizer (NPK) levels for the coastal region of West Bengal. The field trial was set up in a split-plot design with four mustard genotypes (TBM 143, TBM 204, Kranti and Pusa Bold) in main plots and four fertilizer levels (Control, 100% RDF, 125% RDF and 150% RDF) in the sub-plots, each replicated thrice. Among the tested genotypes, Kranti and TBM 143 were found to be superior in terms of their growth attributes, yield components, seed yield (1.28 and 1.29 t ha-1, respectively), leaf chlorophyll content and nutrient content. Application of 150% RDF (120 kg of N, 60 kg of P2O5, and 60 kg of K2O ha-1) proved to be effective in producing the highest growth attributes, yield components, seed yield, leaf chlorophyll content and nutrient content, in all the tested genotypes. Nutrient-omission treatment (control plots) caused a serious reduction in growth attributes, yield components and seed yields (83% reduction as compared to 100% RDF) in all the mustard genotypes. In the coastal belt of West Bengal cultivation of both genotypes, Kranti and TBM 143 with 150% RDF are recommended for achieving higher yields.
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Pub Date : 2023-06-30DOI: 10.54894/jiscar.41.1.2023.124913
N.K. ADHIKARY, K. RAY, K.K. BISWAS, A. IQBAL, R. MALLICK
Biopriming and integrated disease management have the potential to reduce the hazards associated with the increasing use of agrochemicals in agriculture. Field trials were therefore conducted during the two consecutive summer seasons of 2020 and 2021 at Agricultural Experimental Farm, Institute of Agricultural Science, University of Calcutta, West Bengal to evaluate the impact of biopriming and integrated disease management (IDM) practices on disease incidence in sesame as well as its productivity. The treatments consisted of three modules, viz., Bio-intensive (M1): Seed treatment with Trichoderma asperellum @ 10 g kg-1 + furrow application of enriched Trichoderma (2.5 kg Trichoderma asperellum + 100 kg vermicompost) @ 250 kg ha-1 + spray of Pseudomonas fluorescens @ 10 g L-1 at 30-35 DAS and wettable sulphur @ 2 g L-1 at 50-60 DAS; Chemical (M2): Seed treatment with carbendazim @ 2 g L-1 + spray of combi-product (Tebuconazole 50% + Trifloxystrobin 25%) @ 0.5 g L-1 at 30-35 DAS and second spray @ 2 g L-1 at 50-60 DAS; Adaptive (M3): Seed treatment with Trichoderma asperellum @ 10 g kg-1 + furrow application of enriched Trichoderma (2.5 kg Trichoderma asperellum + 100 kg vermicompost) @ 250 kg ha-1 + spray of combi-product (Tebuconazole 50% + Trifloxysrobin 25%) @ 0.5 g L-1 at 30-35 DAS and second spray at 50-60 DAS, and Control (M4): Untreated check. The results revealed that the adaptive module, M3, was highly effective and recorded significantly the lowest disease incidence of root rot (18.9%), severity of Alternaria (11.0%) and Cercospora leaf spots (7.0%) with highest seed yield of 0.59 t ha-1 and highest benefit:cost ratio of 2.13:1. This module can be used for the effective management of root rot and leaf spot diseases of sesame and ensuring sustained yields, particularly in the coastal agro-climatic conditions of West Bengal.
生物雾化和综合疾病管理有可能减少与农业中越来越多地使用农用化学品有关的危害。因此，在西孟加拉邦加尔各答大学农业科学研究所农业实验农场，于2020年和2021年连续两个夏季进行了田间试验，以评估生物雾化和综合疾病管理(IDM)做法对芝麻发病率及其生产力的影响。处理包括三个模块，即生物强化(M1):曲霉木霉种子处理@ 10 g kg-1 +强化木霉沟施(2.5 kg曲霉木霉+ 100 kg蚯蚓堆肥)@ 250 kg ha-1 +荧光假单胞菌喷雾@ 10 g L-1, 30-35 DAS，可湿性硫喷雾@ 2 g L-1, 50-60 DAS;化学(M2):多菌灵2 g L-1 +复合产品(戊唑唑50% +氟虫酯25%)0.5 g L-1, 30-35 DAS，第二次喷雾2 g L-1, 50-60 DAS;适应性(M3):曲霉木霉种子处理@ 10 g kg-1 +强化木霉沟施(2.5 kg曲霉木霉+ 100 kg蚯蚓堆肥)@ 250 kg ha-1 +复合产品(戊康唑50% +三氟虫胺25%)@ 0.5 g L-1, 30-35 DAS, 50-60 DAS第二次喷雾，对照(M4):未经处理的检查。结果表明，M3是最有效的适应模块，根腐病发病率最低(18.9%)，稻瘟病严重程度最低(11.0%)，叶斑病严重程度最低(7.0%)，种子产量最高(0.59 t hm -1)，效益成本比最高(2.13:1)。该模块可用于芝麻根腐病和叶斑病的有效管理，并确保持续产量，特别是在西孟加拉邦沿海农业气候条件下。
{"title":"Biopriming and Integrated Management of Major Diseases of Sesame (Sesamum indicum L.) in Coastal Saline Zone of West Bengal, India","authors":"N.K. ADHIKARY, K. RAY, K.K. BISWAS, A. IQBAL, R. MALLICK","doi":"10.54894/jiscar.41.1.2023.124913","DOIUrl":"https://doi.org/10.54894/jiscar.41.1.2023.124913","url":null,"abstract":"Biopriming and integrated disease management have the potential to reduce the hazards associated with the increasing use of agrochemicals in agriculture. Field trials were therefore conducted during the two consecutive summer seasons of 2020 and 2021 at Agricultural Experimental Farm, Institute of Agricultural Science, University of Calcutta, West Bengal to evaluate the impact of biopriming and integrated disease management (IDM) practices on disease incidence in sesame as well as its productivity. The treatments consisted of three modules, viz., Bio-intensive (M1): Seed treatment with Trichoderma asperellum @ 10 g kg-1 + furrow application of enriched Trichoderma (2.5 kg Trichoderma asperellum + 100 kg vermicompost) @ 250 kg ha-1 + spray of Pseudomonas fluorescens @ 10 g L-1 at 30-35 DAS and wettable sulphur @ 2 g L-1 at 50-60 DAS; Chemical (M2): Seed treatment with carbendazim @ 2 g L-1 + spray of combi-product (Tebuconazole 50% + Trifloxystrobin 25%) @ 0.5 g L-1 at 30-35 DAS and second spray @ 2 g L-1 at 50-60 DAS; Adaptive (M3): Seed treatment with Trichoderma asperellum @ 10 g kg-1 + furrow application of enriched Trichoderma (2.5 kg Trichoderma asperellum + 100 kg vermicompost) @ 250 kg ha-1 + spray of combi-product (Tebuconazole 50% + Trifloxysrobin 25%) @ 0.5 g L-1 at 30-35 DAS and second spray at 50-60 DAS, and Control (M4): Untreated check. The results revealed that the adaptive module, M3, was highly effective and recorded significantly the lowest disease incidence of root rot (18.9%), severity of Alternaria (11.0%) and Cercospora leaf spots (7.0%) with highest seed yield of 0.59 t ha-1 and highest benefit:cost ratio of 2.13:1. This module can be used for the effective management of root rot and leaf spot diseases of sesame and ensuring sustained yields, particularly in the coastal agro-climatic conditions of West Bengal.","PeriodicalId":471157,"journal":{"name":"Journal of the Indian Society of Coastal Agricultural Research","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136365955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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