Effect of organic and inorganic sources of nutrients on productivity of soybean
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Date
2021-07-01
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palampur
Abstract
A field experiment was conducted during rainy season of 2020 at CSK Himachal
Pradesh Krishi Vishvavidyalaya, Palampur to study the effect of organic and inorganic
sources of nutrients on productivity of soybean(Glycine max L).The fieldexperiment was
laid out in randomized block design comprising of eight treatments [T1 - 75 per cent
RDN (FYM), T2 -100 per cent RDN (FYM), T3 -75 per cent RDF (Fertilizers), T4 - 100
per cent RDF (Fertilizers), T5 - 50 per cent RDF (Fertilizers) + 25 per cent RDN
(FYM), T6 - 50 per cent RDF (Fertilizers) + 50 per cent RDN (FYM), T7 - 100 per cent
RDN (FYM) + rest P and K (Fertilizers) and T8 - Control (N0 P0 K0)]. The soil of the
experimental site was silty clay loam in texture and acidic in reaction, low in available
nitrogen, and medium in available phosphorus and potassium.Significantly higher plant
height, dry matter accumulation, dry matter efficiency, unit area efficiency, primary
branches/plant, pods/plant,biological, straw and seed yield were recorded in T6[(50 per
cent RDF (Fertilizers) + 50 per cent RDN (FYM)]. Gross return, net return, benefit cost
ratioand profitabilitywere also significantly higher in T6. The highest uptake of N, P and
K was recorded in T6.The treatment, T6(50 per cent RDF (Fertilizers) + 50 per cent RDN
(FYM) proved to be the best treatment for enhancing productivity and profitability of
soybean under mid-hill conditions of Himachal Pradesh.