PJB-2021-747
Integrated application of vermicompost, simple compost and NP fertilizers on morpho-physiological, biochemical and yield traits of mung bean (Vigna radiata l.)
Ali Ahmad
Abstract
An experiment was conducted with an objective to investigate the effects of vermicompost, simple compost and NP fertilizer application on morpho-physiological, biochemical and yield attributes of mung bean with an ultimate aim of optimizing nutrient requirements. The evaluation was done on the basis of various parameters viz. crop germination, plant height, trifoliate size of fifth leaf, number of viable nodules, days taken to flowering, pod length, number of grains per pod, number of pods per plant, number of branches per plant, 1000-grains weight, biological yield, grain yield, harvest index, grain protein contents, leaf nitrogen contents, leaf phosphorus contents, leaf potassium contents, superoxide dismutase, peroxidase, membrane stability index, relative water contents, chlorophyll contents, photosynthetic rate, water potential, osmotic potential, canopy temperature, and stomatal conductance of mung bean crop. Application of vermicompost alone too increased the growth and productivity, but combination of vermicompost with chemical fertilizer are highly desirable for production of mungbean. It was concluded from this study that 50% vermicompost (produced from FYM, rice and wheat straw) mixed with 50% recommended fertilizers showed excellent results. While, 100% vermicompost (produced from wheat straw, rice straw, cow dung) and 25% vermicompost (produced from FYM, rice wheat straw) and 25% compost (produced from farm yard manure, rice straw and wheat straw) mixed with 50% recommended fertilizers showed intermediate results whereas, compost (produced from farm yard manure, rice straw and wheat straw) and control (recommended fertilizers) showed minimum results in mung bean crop and soil fertility decreased in T0 treatment.
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