NUTRIENT CONTENT AS WELL AS UPTAKE OF MAIZE AND GREEN GRAM AS AFFECTED BY INTEGRATED NUTRIENT MANAGEMENT IN MAIZE- GREEN GRAM CROPPING SEQUENCE UNDER SOUTH GUJARAT CONDITION
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 53
Abstract
The investigation entitled, “Nutrient content as well as nutrient uptake of maize and green gram as affected by integrated nutrient management in maize- green gram cropping sequence under south Gujarat condition†was conducted during rabi and summer seasons of 2014-15 and 2015-16 at College Farm, Navsari Agricultural University, Navsari to study the production potential of maize- green gram cropping sequence under integrated nutrient management system. The treatment consisted of integrated nutrient management viz., T1-General RDF (RDF + FYM @ 10 t/ha), T2 - 75% RDN through chemical fertilizer + 25% RDN through biocompost, T3 -75% RDN through chemical fertilizer + 25% RDN through vermicompost, T4 -75% RDN through chemical fertilizer + 25% RDN through FYM and T5 -control to maize in rabi season as main plot treatments replicated four times in randomized block design. During summer season each main plot treatment was split into four sub plot treatments with four levels of recommended dose of fertilizers viz., S1 -control, S2 -50% RDF, S2 -75% RDF and S4 -100% RDF to green gram resulting in twenty treatment combinations replicated four times in split plot design. Grain and straw yields as well as nutrient content (N, P and K) and their uptake by rabimaize (grain and straw) were maximum under application of maize grain recorded significantly higher nitrogen content with the application of general RDF (RDF + FYM @ 10 t/ha) (T1) being remained at par with T3 (75% RDN through chemical fertilizer + 25% RDN through vermicompost), T2 (application of 75% RDN through chemical fertilizer + 25% RDN through bio-compost) and T4 (75% RDN through chemical fertilizer + 25% RDN through FYM).Significantly higher grain yield (56.00 q/ha) and straw yield (64.50 q/ha) was observed under application of general RDF (RDF + FYM @ 10 t/ha) (T1) which was at par with 75% RDN through chemical fertilizer + 25% RDN through vermicompost (T3) and 75% RDN through chemical fertilizer + 25% RDN through biocompost (T2).Similarly, during summer season the residual effect of general RDF (RDF + FYM @ 10 t/ha) applied to rabi maize showed higher seed and stover yields, nutrient content (N, P and K) and their uptake by green gram (seed and straw) after harvest of green gram, followed by 75% RDN through chemical fertilizer + 25% RDN through vermicompost. Among the levels of RDF directly applied to green gram in summer season, significantly higher values of seed and stover yields, nutrient content (NPK) and their uptake by green gram.
Authors and Affiliations
S. J. SINDHI
Keywords
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