H. Weerasinghe, G. Gunaratne, A. Jayakody, R. S. Dharmakeerthi
{"title":"Micronutrient Status in Commercial Sugarcane-growing Alfisols at Sevanagala, Sri Lanka","authors":"H. Weerasinghe, G. Gunaratne, A. Jayakody, R. S. Dharmakeerthi","doi":"10.4038/tar.v33i3.8571","DOIUrl":"https://doi.org/10.4038/tar.v33i3.8571","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47656113","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}
The village tank cascade systems are identified as an important invention of the hydraulic civilization of Sri Lanka. Water productivity is a widely used indicator to measure the performance of these types of systems. A combination of agronomic and socioeconomic factors acts as key elements influencing water productivity in paddy cultivation and its variation. The current study focused on variations and determinants of the upstream and downstream water productivity of a cascade. The study was carried out as a comparative study investigating how the factors affect upstream and downstream water productivity in paddy cultivation separately in the Ulagalla tank cascade system in dry zone Sri Lanka during the Maha and Yala seasons over the years 2019-2021. The study revealed water productivity in paddy cultivation of the upstream and the downstream Ulagalla tank cascade was at satisfactory levels with reference to global standards. Wildlife conflicts, water conservative methods, V 7 - Availability of agro wells, V 8 - Water head, V 9 - Command area, V 10 - Availability of lining in the field canal, V 11 - Length of the field canal, and U- Error term. V 7 - Availability of agro wells, V 8 - Water head, V 9 - Command area, V 10 - Availability of lining in the field canal, V 11 Length of the field canal, and U- Error term.
{"title":"Variation of Water Productivity in Paddy Cultivation within a Tank Cascade: A Case Study in Ulagalla, Sri Lanka","authors":"K. Kahathuduwa, D. Prasada","doi":"10.4038/tar.v33i3.8569","DOIUrl":"https://doi.org/10.4038/tar.v33i3.8569","url":null,"abstract":"The village tank cascade systems are identified as an important invention of the hydraulic civilization of Sri Lanka. Water productivity is a widely used indicator to measure the performance of these types of systems. A combination of agronomic and socioeconomic factors acts as key elements influencing water productivity in paddy cultivation and its variation. The current study focused on variations and determinants of the upstream and downstream water productivity of a cascade. The study was carried out as a comparative study investigating how the factors affect upstream and downstream water productivity in paddy cultivation separately in the Ulagalla tank cascade system in dry zone Sri Lanka during the Maha and Yala seasons over the years 2019-2021. The study revealed water productivity in paddy cultivation of the upstream and the downstream Ulagalla tank cascade was at satisfactory levels with reference to global standards. Wildlife conflicts, water conservative methods, V 7 - Availability of agro wells, V 8 - Water head, V 9 - Command area, V 10 - Availability of lining in the field canal, V 11 - Length of the field canal, and U- Error term. V 7 - Availability of agro wells, V 8 - Water head, V 9 - Command area, V 10 - Availability of lining in the field canal, V 11 Length of the field canal, and U- Error term.","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44655574","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}
K. G. M. J. W. Gunapala, U. Dissanayeke, C. Munasinghe
{"title":"Assessment of Mobile-Based Extension Service Usage among Medium- Scale Tea Growers in Kandy District, Sri Lanka","authors":"K. G. M. J. W. Gunapala, U. Dissanayeke, C. Munasinghe","doi":"10.4038/tar.v33i3.8573","DOIUrl":"https://doi.org/10.4038/tar.v33i3.8573","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48058107","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}
K. C. Busato, M. Chizzotti, R. Rodrigues, T. S. Silva, I. F. Silva, M. Queiroz, K. Silva, J. C. Borges, G. C. Gois
{"title":"Ingestive behaviour and Growth Performance of Boer Crossbred and Indigenous Goat Kids Under Different Feeding Levels in Semiarid Region in Brazil","authors":"K. C. Busato, M. Chizzotti, R. Rodrigues, T. S. Silva, I. F. Silva, M. Queiroz, K. Silva, J. C. Borges, G. C. Gois","doi":"10.4038/tar.v33i3.8521","DOIUrl":"https://doi.org/10.4038/tar.v33i3.8521","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48363712","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}
S. R. Sarathchandra, K. P. S. D. Hennayake, M. H. Jayaweera, L. Nugaliyadde, K. Hemachandra, A. Kumara
{"title":"Assessment of Grain Preference Among Selected Rice Varieties by Field Rat, Bandicota bengalensis and House Rat, Rattus rattus in Sri Lanka","authors":"S. R. Sarathchandra, K. P. S. D. Hennayake, M. H. Jayaweera, L. Nugaliyadde, K. Hemachandra, A. Kumara","doi":"10.4038/tar.v33i3.8572","DOIUrl":"https://doi.org/10.4038/tar.v33i3.8572","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46655975","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}
K. R. Hettiarachchi, R. Rathnayaka, D. Dissanayaka, M. Mowjood
{"title":"Evaluation of Clay Brick and Laterite Brick as Low-Cost Adsorbents for the Removal of Cd2+ and Pb2+ in Aqueous Solutions","authors":"K. R. Hettiarachchi, R. Rathnayaka, D. Dissanayaka, M. Mowjood","doi":"10.4038/tar.v33i2.8552","DOIUrl":"https://doi.org/10.4038/tar.v33i2.8552","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48957467","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}
M. Piyarathne, I. Wijayaraja, D. Devasinghe, L. Weerasinghe, D. Kumarathunge, D. Dissanayake, M. Malaviarachchi, G. Nalaka
{"title":"Effect of Water Stress during Seed Production and Storage Time on Germination and Seedling Growth of Cowpea Grown in the Dry Zone of Sri Lanka","authors":"M. Piyarathne, I. Wijayaraja, D. Devasinghe, L. Weerasinghe, D. Kumarathunge, D. Dissanayake, M. Malaviarachchi, G. Nalaka","doi":"10.4038/tar.v33i2.8501","DOIUrl":"https://doi.org/10.4038/tar.v33i2.8501","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41421883","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}
D. Dissanayake, S. D. De Silva, S. Pathmarajah, K. Kodagoda, T. M. R. Chandimal, H. Herath
{"title":"Pesticide Usage Pattern in Rice Cultivation in Trincomalee District in Sri Lanka","authors":"D. Dissanayake, S. D. De Silva, S. Pathmarajah, K. Kodagoda, T. M. R. Chandimal, H. Herath","doi":"10.4038/tar.v33i2.8474","DOIUrl":"https://doi.org/10.4038/tar.v33i2.8474","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46476315","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}
W. Wickramasinghe, D. Devasinghe, D. Benaragama, L. Suriyagoda, W. Egodawatta
Effect of ABSTRACT The Integrated weed management (IWM) is widely used to manage weeds in diverse cropping systems. Crop rotation and diverse nutrient management strategies are essential components in IWM. However, the effect of crop rotation and nutrient management systems on weed dynamics in Sri Lankan rice-based
{"title":"The Effect of Nutrient Management and Crop Rotation on Weed Dynamics in Rice under Dry Zone (DL1B) of Sri Lanka","authors":"W. Wickramasinghe, D. Devasinghe, D. Benaragama, L. Suriyagoda, W. Egodawatta","doi":"10.4038/tar.v33i2.8551","DOIUrl":"https://doi.org/10.4038/tar.v33i2.8551","url":null,"abstract":"Effect of ABSTRACT The Integrated weed management (IWM) is widely used to manage weeds in diverse cropping systems. Crop rotation and diverse nutrient management strategies are essential components in IWM. However, the effect of crop rotation and nutrient management systems on weed dynamics in Sri Lankan rice-based","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45389425","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}
Y. G. I. S. Kumara, A. Amarasinghe, P. Pushpakumara, H. M. S. Wasana, W. Rathnakumara, G. Gunawardana, B. Alexander
{"title":"Prevalence of Bovine Tuberculosis among Cattle and Buffaloes in the Central Province of Sri Lanka","authors":"Y. G. I. S. Kumara, A. Amarasinghe, P. Pushpakumara, H. M. S. Wasana, W. Rathnakumara, G. Gunawardana, B. Alexander","doi":"10.4038/tar.v33i2.8428","DOIUrl":"https://doi.org/10.4038/tar.v33i2.8428","url":null,"abstract":"","PeriodicalId":23313,"journal":{"name":"Tropical agricultural research","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43334944","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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