Nutrient Uptake and Post-Harvest Soil Nutrient Status of Extra Long StapleCottonas Influenced by Establishment Methods, Intercropping and Nutrient Management

Madras Agricultural Journal Pub Date : 2023-01-01 DOI:10.29321/maj.10.200730

Monicaa M, V. K, S. N, K. A

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Abstract

A field experiment was conducted at Eastern Block Farm, Department of Agronomy, TNAU, Coimbatore, during the summer of 2019 with the objective of finding outthe nutrient uptakeandthe postharvest soil nutrient statusof Extra Long Staple (ELS) cotton under methods of crop establishment, intercropping and nutrient management. The experiment was laid out in a randomized block design with three replications. The treatments consisted,viz.T1: Transplanting + Green gram + 75% RDF, T2 : Transplanting + Black gram + 75% RDF, T3 : Transplanting + Onion + 75% RDF, T4 : Transplanting + Green gram + 100% RDF, T5 : Transplanting + Intercrop with Black gram + 100% RDF, T6 : Transplanting + Onion + 100% RDF, T7 : Transplanting + Green gram + 125% RDF, T8 : Transplanting + Black gram + 125% RDF, T9 : Transplanting + Onion + 125% RDF, T10 : Transplanting + 100% RDF, T11 : Direct seeding + Recommended package of practices. Nutrient uptake was higher in transplanted cotton intercropped with black gram followed by thegreen gram with the application of 125% RDF followed by 100% RDF which was significantly influenced by crop establishment techniques, intercropping and different doses of fertilizer level.Available soil nutrients were higher in direct-seeded cotton compared to transplanted cotton

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栽培方式、间作和养分管理对超长短棉草养分吸收及采后土壤养分状况的影响

2019年夏季，在哥印拜陀国立农业大学农学系东部地块农场进行了田间试验，目的是了解超长绒棉(ELS)在作物种植、间作和养分管理方法下的养分吸收和采后土壤养分状况。试验采用随机区组设计，设3个重复。治疗方法包括:RDF T1:移植+绿豆+ 75%,T2:移植+黑克+ 75% RDF, T3:移植+洋葱+ 75% RDF, T4:移植+绿豆+ 100% RDF, T5:移植+间作黑克+ 100% RDF, T6:移植+洋葱+ 100% RDF, T7:移植RDF +绿豆+ 125%,显示移植+黑克+ 125% RDF, T9:移植+洋葱+ 125% RDF, T10:移植+ 100% RDF, T11:直播+推荐方案的实践。移栽棉花黑克先绿克，125% RDF后100% RDF，其养分吸收量较高，受套作技术、间作和不同施肥量的影响显著。直接播种棉土壤速效养分高于移栽棉

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Madras Agricultural Journal

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