An experiment was conducted during Rabi season (December 2021 – March 2022) on central research farm of Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj. The experiment was laid out in randomized block design with three levels of NPK 0% 50% and 100% and three levels of vermicompost 0% 50% and 100%. The result shows that application of different levels combination of NPK and vermicompost increased growth, yield of radish and improved soil physical and chemical properties. It was recorded from the application of NPK and Vermicompost in treatment T9 [NPK @ 100% + Vermicompost @ 100%] shows maximum bulk density 1.232 Mg m-3 and 1.240 Mg m-3, particle density 2.401 Mg m- 3 and 2.406 Mg m-3, percent pore space 47.64% and 42.47%, water holding capacity 50.24% and 45.76%, pH 7.25 and 7.32, EC 0.56 dS m- 1 and 0.68 dS m-1, organic carbon 0.48% and 0.45%, available nitrogen 318.42 kg ha-1 and 310.06 kg ha-1, available phosphorus 28.02 kg ha- 1 and 25.78 kg ha-1, available potassium 197.24 kg ha-1 and 193.62 kg ha-1 at 0-15 cm and 15-30 cm respectively in all treatments.
Legumes being a major source of protein have a wide range of economic importance. But the major constraints in growing legumes are poor germination, seedling emergence, non uniform stand establishment and crop mortality leading to lower pulse productivity. Thus, pre-sowing seed treatments are critical parameters which attribute to efficient plant growth and high yield. Uniform seed germination, seedling growth and uniform establishment are the critical stages during the growth of crops. Seed priming is a very promising presowing treatment employed to improve seed germination, better crop establishment, enhance the seed quality and induces tolerance against biotic and abiotic stresses in plants thereby providing a balanced healthy diet to the citizens. Priming is a cost effective and feasible strategy involving controlled hydration of seeds followed by drying to stimulate the pre-germinative metabolic activities to occur promoting rapid germination of seedlings, break dormancy and enhance crop yield. Enzymatic, metabolic and biochemical processes of the primed seeds attributes to rapid and uniform seedling emergence. Seed priming methods comprises of conventional methods including hydro priming, osmopriming, biopriming, chemical priming and the advanced methods including nano priming and priming with physical agents. In this review paper, the underlying physiological, biochemical and molecular aspects of priming in pulses were discussed.
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