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Dry Matter Accumulation and Biomass Partitioning of Groundnut (Arachis hypogaea L.) as Influenced by Genotypes and Sulphur Levels 基因型和硫含量对落花生(Arachis hypogaea L.)干物质积累和生物量分配的影响
Pub Date : 2024-08-08 DOI: 10.9734/ijpss/2024/v36i84896
Monika, A. Dhaka, Bhagat Singh, Kamal, Ram Prakash, Aarzoo
Groundnut is an important oilseed crop and belongs to the family Fabaceae. However, the productivity of groundnut in India is less as compared to average productivity of the world. Variety is a key factor that affects the development, productivity, and quality of groundnut. The main cause of the low groundnut production is an unbalanced and insufficient usage of nutrients. Because groundnut is a legume-oilseed crop, it has a high phosphorus, calcium, and Sulphur demand. Therefore, this field experiment was conducted during the Kharif season of 2023 at Crop Physiology Field Laboratory, Department of Agronomy, CCS Haryana Agricultural University, Hisar. The experiment was laid out in split plot design with four genotypes (G1-MH 4, G2-HNG 10, G3-HNG 69 and G4- GNH 804) in main plots and four sulphur levels (S1-Control, S2-20 kg S/ha, S3-40 kg S/ha and S4-60 kg S/ha) in sub-plots with three replications. The results revealed that among genotypes GNH 804 recorded significantly higher total dry matter accumulation and its partitioning into different plant parts at different growth stages in groundnut. This was followed by HNG 69. Among the sulphur levels, the 60 kg S/ha treatment recorded the highest dry matter accumulation, and this was closely followed by the sulphur level 40 kg S/ha. So, to obtain higher total dry matter accumulation and its partitioning, the genotype GNH 804 may be fertilized with 40 kg S/ha.
落花生是一种重要的油籽作物,属于豆科植物。然而,与世界平均产量相比,印度花生的产量较低。品种是影响花生生长、产量和质量的关键因素。花生产量低的主要原因是养分利用不平衡、不充分。花生是豆科油料作物,对磷、钙和硫的需求量很大。因此,该田间试验于 2023 年哈里亚纳邦农业大学农学系作物生理学田间实验室进行。试验采用分小区设计,主小区有四个基因型(G1-MH 4、G2-HNG 10、G3-HNG 69 和 G4- GNH 804),子小区有四个硫水平(S1-对照、S2-20 千克硫/公顷、S3-40 千克硫/公顷和 S4-60 千克硫/公顷),三次重复。结果表明,在花生的不同生长阶段,GNH 804 基因型的干物质总积累量及其在不同植株部位的分配量明显较高。其次是 HNG 69。在硫磺水平中,60 千克硫磺/公顷处理的干物质积累量最高,紧随其后的是硫磺水平为 40 千克硫磺/公顷的处理。因此,为了获得更高的干物质总积累量及其分配,基因型 GNH 804 可施肥 40 千克硫/公顷。
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引用次数: 0
Triketone Derivates of Hydroxyl Phenyl Pyruvate Dioxygenase (HPPD) as Potential Herbicides against Diverse Weed Flora in Maize: Efficacy, Phyto-toxicity, Soil Residual Toxicity Impact on Succeeding Sunflower 羟基苯基丙酮酸二氧酶 (HPPD) 的三酮衍生物作为潜在除草剂防治玉米中的多种杂草:药效、植物毒性、土壤残留毒性对后续向日葵的影响
Pub Date : 2024-08-08 DOI: 10.9734/ijpss/2024/v36i84894
R. Karthikeyan, R. Priya, C. Bharathi, P. Janaki, C. Chinnusamy, M. Kandeshwari, T. Saranraj, R. Balamurugan
Aim: Field experiments were conducted for two years during 2016-17 to 2017-18 to evaluate the compatibility of tembotrione 420 SC (Laudis) on maize and its residual effect on succeeding crop.Methodology: Randomized complete block design with three replications were used. TNAU maize hybrid CO6 variety was sown with spacing of 60cm x 30cm. Seven weed control treatments were combined with various herbicide dosages followed by tembotrione (420 SC), 2,4-dimethyl amine salt (58% SL), atrazine (50% WP) and surfactant (isoxadifen-ethyl) were sprayed.Results: POE tembotrione at 120 g a.i.ha-1 + surfactant at 1000 ml + atrazine at 500 g a.i.ha-1 applied at 2-4 leaf stage provided satisfactory control of all types of weeds (grassy weeds, broad-leaved weeds and sedges) in maize without causing any crop phyto-toxicity on maize, which led to a higher grain yield and improved profitability. It was significantly controlled the dominant grassy and broad-leaved weeds which are Setaria verticillata (L.), Dactyloctenium aegyptium (L.), Panicum repens (L.), Cyperus rotundus (L.), Trianthema portulacastrum (L.) and Cleome gynandra (L.) as compared to the remaining herbicidal treatment. Laudis with different herbicide combinations had no phyto-toxicity on maize and it had no residual toxicity effect in sunflower subsequent crop.Interpretation: Compatibility of tembotrione (420 SC)  at 120 g a.i.ha-1 + surfactant at 1000 ml + atrazine (50% WP)  at 500 g a.i.ha-1 at 20 and 40 DAHS can maintain the total weed density and dry weight at a reasonable level and increase the productivity of rabi maize.
目的:在2016-17年至2017-18年期间进行了为期两年的田间试验,以评估腾博硫磷420 SC(劳迪斯)对玉米的相容性及其对后茬作物的残留影响:采用随机完全区组设计,三次重复。播种 TNAU 玉米杂交品种 CO6,行距为 60 厘米 x 30 厘米。七种除草处理与不同的除草剂用量相结合,然后喷洒腾博硫磷(420 SC)、2,4-二甲基胺盐(58% SL)、莠去津(50% WP)和表面活性剂(异噁二嗪-乙基):在玉米 2-4 叶期施用 POE tembotrione(120 克活性成分/公顷)+表面活性剂(1000 毫升)+莠去津(500 克活性成分/公顷),对玉米上的各种杂草(禾本科杂草、阔叶杂草和莎草)都有满意的防除效果,且不会对玉米造成任何作物植物毒性,从而提高了谷物产量和收益。与其他除草剂相比,Laudis 能明显控制主要的禾本科杂草和阔叶杂草,这些杂草包括 Setaria verticillata (L.)、Dactyloctenium aegyptium (L.)、Panicum repens (L.)、Cyperus rotundus (L.)、Trianthema portulacastrum (L.) 和 Cleome gynandra (L.)。不同除草剂组合的 Laudis 对玉米没有植物毒性,对向日葵后茬作物也没有残留毒性:在 20 和 40 DAHS 条件下,120 g a.i.ha-1 的滕博特龙(420 SC)+ 1000 ml 的表面活性剂+500 g a.i.ha-1 的阿特拉津(50% WP)的混用可将杂草总密度和干重维持在合理水平,并提高赖比玉米的产量。
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引用次数: 0
Integrated Nutrient Management for Optimum Growth Traits and Yield of Soybean Crop (Glycine max L. Merr.) 综合养分管理促进大豆作物(Glycine max L. Merr.)
Pub Date : 2024-08-08 DOI: 10.9734/ijpss/2024/v36i84895
Shivaji Keshav Gavit, Avinash Nilkantha Gawate, V. Suryavanshi, Shweta Avinash Ambore, S. S. Prajapati
A field experiment was conducted during kharif season of 2019 at the Experimental Farm, Department of Agronomy College of Agriculture, Latur to study “Integrated Nutrient Management in Soybean (Glycine max L.)”. The objective of experiment was to find out the effect of different organic and inorganic fertilizers on growth and yield of soybean. The experiment was laid out in a randomized block design with nine treatments and replicated thrice. The treatments were T1 – 100 % RDF, T2 – 100 % RDF + FYM @ 5 t ha-1, T3 – 75 % RDF + FYM @ 5 t ha-1, T4 – 100 % RDF + FYM @ 2.5 t ha-1, T5 – 75 % RDF + FYM @ 2.5 t ha-1, T6 – 100 % RDF + Vermicompost @ 2.5 t ha-1, T7 – 75 % RDF + Vermicompost @ 2.5 t ha-1, T8 – 100 % RDF + FYM @ 5 t ha-1 + Vermicompost @ 1.25 t ha-1, T9 – 75 % RDF + FYM @ 5 t ha-1 + Vermicompost @ 1.25 t ha-1. The result revealed that the application of Application of 100 % RDF + FYM at 5 t ha-1 + Vermicompost at 1.25 t ha-1 (T8) was recorded higher values of all the growth parameters of soybean viz., plant height (42.87 cm), number of functional leaves (31.53), dry matter accumulation (24.17 g), leaf area (2.67 dm2), leaf area index (2.77 %), number of branches plant-1 (6.20), Absolute Growth Rate (AGR) for plant height (0.04 cm day-1 plant-1), Absolute Growth Rate (AGR) for dry matter (-0.55 cm day-1 plant-1) and Relative Growth Rate (RGR) for dry matter (-0.019 g g-1 day-1).  
拉图尔农学院农学系实验农场在 2019 年的收获季节进行了一项田间试验,研究 "大豆(Glycine max L.)的综合养分管理"。实验的目的是找出不同有机肥和无机肥对大豆生长和产量的影响。实验采用随机区组设计,共设九个处理,重复三次。处理为 T1 - 100 % RDF、T2 - 100 % RDF + FYM @ 5 t ha-1、T3 - 75 % RDF + FYM @ 5 t ha-1、T4 - 100 % RDF + FYM @ 2.5 t ha-1、T5 - 75 % RDF + FYM @ 2.5 t ha-1、T6 - 100 % RDF + Vermicompost @ 2.5 t ha-1,T7 - 75 % RDF + 蛭石堆肥 @ 2.5 t ha-1,T8 - 100 % RDF + FYM @ 5 t ha-1 + 蛭石堆肥 @ 1.25 t ha-1,T9 - 75 % RDF + FYM @ 5 t ha-1 + 蛭石堆肥 @ 1.25 t ha-1。结果表明,施用 100 % RDF + FYM 5 t ha-1 + 蛭肥 1.25 t ha-1(T8)后,大豆的所有生长参数值均较高,即:株高(42.87 厘米)、茎秆长度(42.87 厘米)、茎叶长度(42.87 厘米)、茎叶长度(42.87 厘米)、茎叶长度(42.87 厘米)、株高(42.87 厘米)、功能叶片数(31.53)、干物质积累(24.17 克)、叶面积(2.67 平方米)、叶面积指数(2.77 %)、分枝数(6.20)、株高绝对增长率(0.04 厘米/天-1 株-1)、干物质绝对增长率(-0.55 厘米/天-1 株-1)和干物质相对增长率(-0.019 克/天-1)。
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引用次数: 0
Humic Acid as an Organic Biosurfactant in Amelioration of Physical Constraints of Sandy Soils 腐植酸作为有机生物表面活性剂改善沙质土壤的物理制约因素
Pub Date : 2024-08-08 DOI: 10.9734/ijpss/2024/v36i84897
Akhila Ashokan, Mini V., R. B.
Soil productivity is often attributed to soil structure, as fertile soil with ideal soil structure and adequate moisture level is considered productive. Soil structure is a key factor that influences the movement and retention of water in the soil, the pattern of soil erosion, the formation of crusts, nutrient recycling, root penetration, and the productivity of crops. The present study aims to assess the biosurfactant property of humic acid (HA) in weakly structured sandy soil. An incubation study was carried out by soil application of different doses of HA viz;0, 2.5, 5, 10 and 15 kg ha-1 for 30 days at field capacity. Soil supplemented with 15 kg ha-1 HA was observed to have the highest percentage of water stable aggregates (WSA), water holding capacity (WHC), and porosity, and the lowest value for bulk density (BD), dispersion ratio (DR) and clay dispersion ratio (CDR). The study proves that applying HA at the aforementioned dosage can bring about a notable enhancement in the stability in poorly structured sandy soils. Such organic biomolecules capable enough to bring about consistent improvements to soil quality within a short period will be beneficial for alleviating major obstacles in sustainable agriculture.
土壤生产力通常与土壤结构有关,因为具有理想土壤结构和充足水分的肥沃土壤被认为是高产的。土壤结构是影响土壤中水分的流动和保持、土壤侵蚀模式、板结的形成、养分循环、根系渗透和作物产量的关键因素。本研究旨在评估腐植酸(HA)在弱结构砂质土壤中的生物表面活性剂特性。研究人员在土壤中施用了不同剂量的腐植酸,即 0、2.5、5、10 和 15 千克/公顷,持续 30 天。据观察,添加 15 千克/公顷 HA 的土壤具有最高的水稳定集料百分比(WSA)、持水量(WHC)和孔隙度,而容重(BD)、分散比(DR)和粘土分散比(CDR)值最低。研究证明,以上述剂量施用 HA 可以显著提高结构不良砂土的稳定性。这种有机生物大分子足以在短期内持续改善土壤质量,将有利于减轻可持续农业的主要障碍。
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引用次数: 0
Optimizing Agriculture: A Review of Chemical Priming in Crop Production 优化农业:农作物生产中的化学引诱综述
Pub Date : 2024-06-04 DOI: 10.9734/ijpss/2024/v36i74719
Adil Rahim Margay, Arif Hassan
Agricultural productivity faces increasing challenges due to climate change, soil degradation, and the need for sustainable practices. Chemical priming, a technique involving the pre-treatment of seeds or plants with specific compounds, has emerged as a promising approach to enhance crop resilience, productivity, and stress tolerance. This review synthesizes current literature on the application of chemical priming in crop production, focusing on its mechanisms, effects on plant physiology, and its potential to optimize agricultural practices. Chemical priming operates through diverse mechanisms, including the induction of stress-responsive genes, enhancement of antioxidant activity, and modulation of hormone signaling pathways. These mechanisms result in improved germination rates, accelerated seedling growth, increased nutrient uptake, and enhanced tolerance to various abiotic and biotic stresses. Moreover, chemical priming has been shown to promote crop yield and quality under adverse environmental conditions, making it a valuable tool for sustainable agriculture. The effectiveness of chemical priming depends on various factors, such as the type of priming agent, concentration, timing of application, and the specific crop species. Furthermore, interactions with other agricultural practices, such as irrigation regimes and fertilization strategies, can influence its outcomes. Therefore, optimizing chemical priming protocols requires a comprehensive understanding of crop-specific responses and environmental factors. Despite its potential benefits, the widespread adoption of chemical priming in agriculture faces challenges related to cost-effectiveness, regulatory approval, and potential ecological impacts. Addressing these challenges requires further research to refine priming protocols, assess long-term effects on soil health and ecosystem functioning, and develop sustainable approaches for large-scale implementation.
由于气候变化、土壤退化以及对可持续生产方式的需求,农业生产率面临着日益严峻的挑战。化学引诱是一种用特定化合物对种子或植物进行预处理的技术,它已成为提高作物抗逆性、生产力和抗逆性的一种有前途的方法。本综述综述了目前有关化学引诱法在作物生产中应用的文献,重点关注其机制、对植物生理的影响及其优化农业实践的潜力。化学引诱通过多种机制发挥作用,包括诱导应激反应基因、增强抗氧化活性和调节激素信号通路。这些机制可提高发芽率、加速幼苗生长、增加养分吸收以及增强对各种非生物和生物胁迫的耐受性。此外,在不利的环境条件下,化学引诱已被证明能提高作物的产量和质量,使其成为可持续农业的重要工具。化学引诱剂的效果取决于多种因素,如引诱剂的类型、浓度、施用时间和特定作物种类。此外,与灌溉制度和施肥策略等其他农业实践的相互作用也会影响其效果。因此,优化化学引诱方案需要全面了解作物的特定反应和环境因素。尽管化学引诱法具有潜在的益处,但在农业中广泛采用化学引诱法仍面临着成本效益、监管审批和潜在生态影响等方面的挑战。要应对这些挑战,就需要进一步开展研究,以完善底肥方案,评估其对土壤健康和生态系统功能的长期影响,并为大规模实施开发可持续的方法。
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引用次数: 0
Comparative Efficacy and Economics of Selected Chemicals with Neem Oil against Mustard Aphid, Lipaphis erysimi (Kaltenbench) 选定化学品与印楝油对芥子蚜 Lipaphis erysimi(Kaltenbench)的功效和经济性比较
Pub Date : 2024-06-04 DOI: 10.9734/ijpss/2024/v36i74721
Jeena J C, Ashwani Kumar
The research was carried out at Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh, Central Research Field, during Rabi season from november 2023- march 2024.  The insecticide management experiment was conducted under Randomized Block Design (RBD) with the eight treatments and three replications by undertaking two spraying with fifteen-day intervals. The insecticides tested significantly reduced the pest population compared to control. Among the eight treatments evaluated for their efficacy in field condition against mustard aphids was recorded in treatment Neem oil 5% + Imidacloprid 17.8 SL (6.95) which was the minimum aphid population, followed by Imidacloprid 17.8 SL (8.46), Neem oil 5% + Acetamiprid 20% SP (9.78), Acetamiprid 20% SP (10.45), Neem oil 5% + Cypermethrin 10% EC (11.27), Cypermethrin 10% EC (11.55) and Neem oil 5% (12.01). The maximum aphid population was recorded in control plot (23.33 per 5 plant). Based on the results obtained in the investigation it is concluded that Imidacloprid 17.8SL with Neem oil and chemicals combined with neem oil could be utilized as a component in Integrated Pest Management of Lipaphis erysimi (Kalt.) on mustard. Similarly, the result revealed that the maximum C:B was recorded by treatment Neem oil 5%+ Imidacloprid 17.8% SL (1:2.77) followed by Imidacloprid 17.8% SL (1:2.67) and the minimum Cost Benefit Ratio was recorded in the control plot (1:1.27). The combination of Neem oil 5% and Imidacloprid 17.8 SL has offered cost-effective solutions that they effectively control aphid populations at lower costs. Thus, integrated pest management (IPM) approaches combining chemical treatments with cultural, biological, and mechanical controls may provide sustainable and cost-effective solutions in the long term.
研究于 2023 年 11 月至 2024 年 3 月的 Rabi 季节在北方邦 Prayagraj 的 Sam Higginbottom 农业、技术和科学大学的中央研究田进行。 杀虫剂管理试验采用随机区组设计(RBD),共设 8 个处理和 3 个重复,每隔 15 天喷洒两次。与对照组相比,测试的杀虫剂明显减少了害虫数量。在田间对芥菜蚜虫进行药效评估的八个处理中,印楝油 5% + 吡虫啉 17.8 SL (6.95) 处理的蚜虫数量最少,其次是吡虫啉 17.8 SL (8.46)、5% 印度楝树油 + 20% 啶虫脒 SP (9.78)、20% 啶虫脒 SP (10.45)、5% 印度楝树油 + 10% 氯氰菊酯 EC (11.27)、10% 氯氰菊酯 EC (11.55) 和 5%印度楝树油 (12.01)。对照小区的蚜虫数量最多(每 5 株 23.33 头)。根据调查结果,可以将吡虫啉 17.8SL 与楝树油以及与楝树油相结合的化学药剂作为芥菜上蚜虫(Lipaphis erysimi (Kalt.))虫害综合防治的一个组成部分。同样,研究结果表明,楝树油 5%+吡虫啉 17.8%SL(1:2.77)处理的成本效益比最大,其次是吡虫啉 17.8%SL(1:2.67)处理,而对照小区的成本效益比最小(1:1.27)。5%印楝油和 17.8%吡虫啉(可溶粉剂)的组合提供了具有成本效益的解决方案,它们能以较低的成本有效控制蚜虫数量。因此,将化学处理与文化、生物和机械控制相结合的虫害综合治理(IPM)方法可以提供可持续的、具有成本效益的长期解决方案。
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引用次数: 0
Optimizing Growth and Yield in Aerobic Rice through IoT-based Drip Irrigation and Fertigation 通过基于物联网的滴灌和施肥优化有氧水稻的生长和产量
Pub Date : 2024-06-04 DOI: 10.9734/ijpss/2024/v36i74720
D. V. S. Akshay, R. M. Kumar, S. P. Sree, B. Sreedevi, M. B. B. Prasad Babu, A. S. Sakhare
Aim: A field experiment was conducted to study the effect of different IoT based drip irrigation and fertigation management practices on growth and yield of aerobic rice.Study Design: The experiment was laid out in a strip plot design with 4 main plots (Horizontal) and 3 sub-plots (Vertical) that are allocated randomly and replicated thrice.Place and Duration of Study: kharif and rabi seasons of 2022-23 & 2023-24 at ICAR-Indian Institute of Rice Research, Hyderabad.Methodology: The horizontal plot treatments were Nitrogen management practices (4) i.e., Control (N1), 100 % RDN (100% inorganic) (N2), 100 % RDN (50% inorganic & 50% organic) (N3) and 125 % RDN (100 % inorganic) (N4). Vertical plots treatments were Irrigation management practices (3) which include Saturation (I1), 10 % DASM (I2) and 20 % DASM (I3). Organic nutrient sources were given as soil application and the inorganic sources were applied through fertigation. Sensor based (IoT) irrigation scheduling was done.Results: Nitrogen application of 125% RDN with 100% inorganic consistently resulted in higher growth parameters (plant height (110.4 cm and 93.9 cm), number of tillers m-2 (392.2 and 291.8) and plant dry weight (11814.8 kg ha-1 and 9557.0 kg ha-1) during kharif & rabi respectively) followed by 100% RDN (100% inorganic) and 100% RDN (50% inorganic & 50% organic) in pooled data. Saturation irrigation resulted in taller plants with greater growth parameters (plant height (109.8 cm and 91.0 cm), number of tillers m-2 (412.3 and 283.6) and plant dry weight (10916.0 kg ha-1 and 9463.4 kg ha-1) during kharif & rabi respectively) compared to deficit irrigation treatments. Treatment of 125% RDN with 100% inorganic resulted in the higher yield attributes (no. of panicles m-2 (154.3 and 141.1), no. of filled grains panicle-1 (142.3 and 124.0), panicle weight (3.1 g and 3.3 g) during kharif & rabi respectively) and yield (4790.2 kg ha-1 and 4583.8 kg ha-1) which was statistically similar with 100% RDN (100% inorganic) and 100% RDN (50% inorganic & 50% organic). Saturation expressed higher yield attributes (no. of panicles m-2 (149.5 and 139.2), no. of filled grains panicle-1 (135.0 and 121.6), panicle weight (3.0 g and 3.2 g) during kharif & rabi respectively) and yield (4554.0 kg ha-1 and 4425.5 kg ha-1) which was on par with 10% DASM. The interaction was found to be non-significant.Conclusion: Nitrogen application of 125% RDN and 100% RDN through fertigation were found to have statistically similar growth, yield parameters and yield. IoT based irrigation at 10% DASM was found to be on par with saturation treatment among all the growth, yield parameters and yield of aerobic rice.
目的:通过田间试验研究不同的物联网滴灌和施肥管理方法对有氧水稻生长和产量的影响:研究地点和时间:海得拉巴印度水稻研究所(ICAR-Indian Institute of Rice Research, Hyderabad)2022-23 年和 2023-24 年的春耕和秋收季节:横向小区处理为氮管理方法(4 种),即对照(N1)、100% RDN(100% 无机)(N2)、100% RDN(50% 无机和 50% 有机)(N3)和 125% RDN(100% 无机)(N4)。垂直地块处理为灌溉管理措施(3),包括饱和(I1)、10 % DASM(I2)和 20 % DASM(I3)。有机养分通过土壤施用,无机养分通过施肥施用。基于传感器(物联网)进行了灌溉调度:125% RDN 和 100% 无机养分的氮肥施用始终能带来更高的生长参数(株高(110.4 厘米和 93.9 厘米)、每平方米分蘖数(392.2 和 291.8)和植株干重(11814.8 千克/公顷-1 和 9557.0 千克/公顷-1),其次是 100% RDN(100% 无机养分)和 100% RDN(50% 无机养分和 50% 有机养分)。与亏缺灌溉处理相比,饱和灌溉的植株更高,生长参数(株高(109.8 厘米和 91.0 厘米)、分蘖数(412.3 米-2 和 283.6 米-2)和植株干重(10916.0 千克/公顷-1 和 9463.4 千克/公顷-1)也更高。125% RDN 和 100% 无机处理的产量属性(圆锥花序数 m-2(154.3 和 141.1)、圆锥花序灌浆粒数-1(142.3 和 124.0)、圆锥花序重量(3.1 克和 3.3 克))和产量(4790.2 千克/公顷-1 和 4583.8 千克/公顷-1)较高,与 100% RDN(100% 无机)和 100% RDN(50% 无机和 50% 有机)在统计学上相似。饱和度表现出更高的产量属性(种植季和收获季的圆锥花序数 m-2(149.5 和 139.2)、圆锥花序饱满粒数-1(135.0 和 121.6)、圆锥花序重(3.0 克和 3.2 克))和产量(4554.0 千克/公顷-1 和 4425.5 千克/公顷-1),与 10% DASM 相当。交互作用不显著:结论:通过施肥施用 125% RDN 和 100% RDN 的氮肥,其生长、产量参数和产量在统计学上相似。在有氧水稻的所有生长、产量参数和产量中,基于物联网的灌溉(10% DASM)与饱和处理相当。
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引用次数: 0
Efficacy of Chemicals and Bio-pesticides against Mustard Aphid, Lipaphis erysimi (Kalt.) on Mustard 化学和生物农药对芥菜上的芥蚜(Lipaphis erysimi (Kalt.))的功效
Pub Date : 2024-06-04 DOI: 10.9734/ijpss/2024/v36i74718
Abhay Tak, A. Tayde, Akhilesh Tripathi
The present investigation was conducted during rabi season of 2023-2024 at Crop Research farm, NAI, SHUATS, Prayagraj using Randomized Block Design (RBD) method and eight treatments are replicated thrice. Results revealed that, among all the treatments Imidacloprid 17.8 SL recorded lowest population of aphid (55.67), followed by Spinosad 45% SC (66.51), Cypermethrin 10% EC (78.55),  Sixer  plus (94.49), Nisco MECH 333 (96.17), Neem oil 5% (99.44), and Beauveria bassiana (109.90) was less effective among all the treatments. While, the highest yield and cost benefit ratio was obtained with Imidacloprid 17.8 SL (18.15 q/ha.), (1:5.20) Followed by Spinosad 45% SC (17.85 q/ha.), (1:4.78), Cypermethrin 10% EC (16.35 q/ha.), (1:4.54), Sixer plus (14.98 q/ha.), (1:4.18), Nisco MECH 333 (14.58 q/ha.), (1:4.08), Neem oil 5% (13.03 q/ha.), (1:3.61), Beauveria bassiana (12.55 q/ha.), (1:3.48) Least monetary return was obtained with control(9.17 q/ha.), (1:2.74).
本研究于 2023-2024 年蕾期在普拉亚格拉杰市农科院作物研究农场进行,采用随机区组设计(RBD)方法,八个处理重复三次。结果显示,在所有处理中,吡虫啉 17.8 SL 的蚜虫数量最低(55.67 头),其次是辛硫磷 45% SC (66.51头)、氯氰菊酯 10% EC (78.55头)、Sixer plus (94.49头)、Nisco MECH 333 (96.17头)、印楝油 5%(99.44头),而蒲公英蚜虫(109.90头)在所有处理中效果较差。而吡虫啉 17.8 SL (18.15 q/ha.), (1:5.20) 的产量和成本效益比最高,其次是 Spinosad 45% SC (17.85 q/ha.), (1:4.78), Cypermethrin 10% EC (16.35 q/ha.), (1:4.54), Sixer plus (14. 98 q/ha.), (1:5.20).98 q/ha.),(1:4.18),Nisco MECH 333(14.58 q/ha.),(1:4.08),5% 印楝油(13.03 q/ha.),(1:3.61),Beauveria bassiana(12.55 q/ha.),(1:3.48) 对照组(9.17 q/ha.),(1:2.74)获得的货币回报最少。
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引用次数: 0
Effect of Tillage Practices and Fertility Levels on Growth, Yield Attributes and Yield of Wheat in Rice- Wheat Cropping System 耕作方式和肥力水平对水稻-小麦种植系统中小麦生长、产量属性和产量的影响
Pub Date : 2024-06-04 DOI: 10.9734/ijpss/2024/v36i74723
R. Yadav, R. Yadav, M. Siddiqui, Sanjeev Kumar, Mohit Yadav, Mahendra Yadav, R. Sachan
This study was conducted at Agronomy Research Farm, CSAUAT, during rabi 2021-22 and 2022-23. The experiment was laid out into Split plot design with3 replication. Two levels of tillage viz. (1) Conventional tillage Two ploughing followed by sowing), (2) Reduce tillage (one ploughing followed by sowing were randomly allotted to main plot while ten 10 fertility levels. Basis on the pooled data the results of the study revealed that in case of tillage practices among the growth parameters; maximum plant height at 30, 60, 90 DAT and at harvest is 26.25, 46.26, 87.43, and 92.38 cm respectively, number of leaves plant-1 at 30, 60, 90 DAT and at harvest is 5.47, 16.51, 19.34 and 20.18 respectively, leaf area index at 30, 60, 90 DAT and at harvest is 0.553, 3.13, 4.48 and 5.05 respectively, relative growth rate at 30, 60, 90 DAT is 24.33, 14.48 and 3.82 g day-1 respectively, among the yield attributing characters maximum ear length (11.07 cm) , number of grain ear-1 (41.08), grain weight ear-1 (1.54 g) and 1000 grain weight (36.93 g) and among the productivity parameters; maximum grain yield (51.31 q ha-1), straw yield (67.21 q ha-1), biological yield (118.52 q ha-1) and harvest index (43.22 %) were recorded under the conventional tillage. Similarly in case of fertility levels growth parameters, yield attributing characters and productivity parameters were associated with 125 % RDF + chloromequate chloride.
本研究于 2021-22 年和 2022-23 年秋季在中国农业大学农艺研究农场进行。试验采用 3 次重复的小区设计。主小区随机分配了两种耕作水平,即(1)常规耕作(先犁地后播种)和(2)减少耕作(先犁地后播种),同时分配了 10 个肥力水平。根据汇总的数据,研究结果表明,在生长参数中,耕作方法在 30、60、90 DAT 和收获时的最大株高分别为 26.25、46.26、87.43 和 92.38 厘米。收获时的叶面积指数分别为 0.553、3.13、4.48 和 5.05,30、60、90 DAT 时的相对增长率分别为 24.在产量特征中,常规耕作下的穗长(11.07 厘米)、穗粒数(41.08 粒)、穗粒重(1.54 克)和千粒重(36.93 克)最大;在产量参数中,常规耕作下的谷物产量(51.31 q ha-1)、秸秆产量(67.21 q ha-1)、生物产量(118.52 q ha-1)和收获指数(43.22 %)最大。同样,在肥力水平方面,125 % RDF + 氯甲酸铵与生长参数、产量特征和生产力参数有关。
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引用次数: 0
Seaweed Extract for Sustainable Rice Production- A Review 海藻提取物用于可持续水稻生产--综述
Pub Date : 2024-06-03 DOI: 10.9734/ijpss/2024/v36i74716
Teresa Thaimei, Kangujam Bokado, Barkha, Bidyabhusan Bera
Seaweed extract is a bio-simulant that obtain from seaweeds like Agar, and Alginate and many more species of seaweed. By application of seaweed extract in rice crop (Oryza sativa L.) can increase the growth, grain yield, biological yield and improves the nutrient content in grain. Seaweed extract application also reduces the biotic and abiotic stress on crops. This seaweed extract can be applied in many ways to crop plants like foliar spray, soil incorporation, etc., based on crop type. It can impact the cellular respiration of plants and incorporates many enzymes like NAA, auxins, vitamins, cytokinin’s and many other growths promoting hormones in plants. This extract also has growth stimulating properties. It can increase nutrient absorption capacity by increasing root growth. Most of the marine algae are rich in auxins that increase root growth. The application of seaweed extract in soil can improve the physical, chemical, and biological properties of the soil. It can improve Arbuscular mycorrhiza by providing potassium to plant. Application of seaweed extract to soil can improve the availability of nutrients like calcium, nitrogen, phosphorus, potassium, and magnesium. Moreover, foliar spray of seaweed extract in rice crop increases crop growth, yield, nutrient uptake, water uptake, increases photosynthesis, and stomatal conductance. So, seaweed extract incorporation in rice cultivation could be a better approach to gain long-term sustainable production.
海藻提取物是从琼脂、海藻酸盐等海藻中提取的生物模拟剂。在水稻作物(Oryza sativa L.)中施用海藻提取物可以提高生长速度、谷物产量、生物产量并改善谷物中的营养成分含量。施用海藻提取物还能减轻作物的生物和非生物压力。海藻提取物可根据作物类型,以叶面喷洒、土壤拌种等多种方式施用于作物。它能影响植物的细胞呼吸,并结合多种酶,如 NAA、辅酶、维生素、细胞分裂素和其他多种促进植物生长的激素。这种提取物还具有促进生长的特性。它可以通过促进根系生长来提高养分吸收能力。大多数海藻都富含能促进根系生长的辅酶。在土壤中施用海藻提取物可以改善土壤的物理、化学和生物特性。海藻提取物能改善土壤的物理、化学和生物特性,通过向植物提供钾来改善丛枝菌根。在土壤中施用海藻提取物可以提高钙、氮、磷、钾和镁等养分的供应。此外,在水稻作物中叶面喷洒海藻提取物可以提高作物的生长、产量、养分吸收、水分吸收、光合作用和气孔导度。因此,在水稻种植中添加海藻提取物是获得长期可持续生产的更好方法。
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引用次数: 0
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International Journal of Plant & Soil Science
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