Abstract
A field experiment was conducted to study the crop growth, yield and WUE of grass pea (Lathyrus sativus L.) as influenced by phosphorus, micronutrients and organics in rice soils during rabi season of 2020-21 at the Teaching Farm, Bidhan Chandra Krishi Viswavidyalaya, Mondouri, Nadia under New Alluvial Zone of West Bengal. The experiment was carried out taking ten different nutrient management practices with three replications in randomized block design to evaluate the performance of lathyrus. The results of the experiment revealed that lathyrus plot fertilized with the recommended dose of fertilizer along with foliar application of Borax @ 0.5% recorded the highest plant height, number of branches plant-1, dry matter accumulation, number of pods per plant, pod length, number of seeds per pod and 100-seed weight. Maximum seed yield (1450 kg ha-1), stover yield (2513 kg ha-1) and highest WUE (10.00 kg ha-1 mm-1) were recorded by the plot treated with RDF+ Borax @ 0.5%.With respect to quality parameters, the seed protein content was highest (31.18%) in the plot fertilized with RDF along with ammonium molybdate @ 0.1%. Therefore, it may be concluded from the results of the experiment that the combined use of RDF with Borax @ 0.5% application in grass pea is one of the best option for better production in terms of quality and quantity for cultivation in New Alluvial Zone of West Bengal.
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