Abstract
Background: Nutrients requirement of crops can easily be met by the application various fertilizers alone but in long run their continuous use deteriorate soil health and may retard the productivity of crops also. Further cost escalation and timely availability of fertilizers and other inputs lead to uneconomic production. Integrated nutrient management (INM) practices including reduced levels of fertilizers with locally available organic sources of plant nutrients, low cost and no cost inputs may be answer to the problems. Very meagre work has been done in past on different aspects on green gram crop. Present study aimed at evaluating and quantify the performance of summer green gram (Vigna radiata L.) crop as affected by seed hydropriming, plant geometry and nutrient applications through fertilizers, FYM, vermicompost and their combinations for maximizing the productivity and economic viability. Methods: The low cost seed hydropriming, no cost treatments of 2 plant geometries of (i) G1 (30´10 cm) and (ii) G2 (30´20 cm) and 5 treatments of integrated nutrient management (INM) practices (N) viz; (i) N1 (20+40+20 kg NPK/ha (RDF), (ii) N2 (100% RDF equivalent FYM), (iii) N3(100% RDF equivalent vermicompost) (iv) N4(50% RDF from fertilizer+50% RDF equivalent FYM) and (v) N5 (50% RDF from fertilizer+50% RDF equivalent vermicompost) were evaluated in field experiments using split-split plot design having 3 replications. Result: The main conclusion is that practices of seed hydropriming and planting geometry of 30´10 cm proved superior for realizing maximum productivity and profitability. Integrated application of fertilizer equivalent to 50% of recommended dose of fertilizers (RDF) coupled with 50% nutrients through organic sources like farmyard manure and or vermicompost (treatments N4 and N5) proved most effective over organic sources alone (FYM and vermicompost through treatments N2 and N3) and 100% RDF through fertilizers (N1) for summer green gram cultivation on sustainable basis. The results of the present work will be useful for majority of farmers particularly pulse crops growers to bridge the gap between present level of productivity and potentially realizable productivity of moong bean crop on cost effective and sustainable basis.
Published Version
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