Long-term assessment of organic nutrition management to enhance the productivity, resilience, and profitability of pigeonpea (Cajanus cajan) cultivation in the NEH region.
DOI:
https://doi.org/10.59797/ija.v70i.6090Keywords:
Economics, Long-term, Northeast, Nutrients, Organics, Pigeonpea, YieldAbstract
Pigeonpea [Cajanus cajan (L.) Millsp] provides protein-rich food, fuel, and income for smallholders in the northeast hill regions who are short on resources. But its poor yield, needs to be adjusted with a viable organic nutrient management to improve productivity, in light textured acid soils. To address it an experiment was done at the College of Agriculture, Lembucherra, Tripura, during five consecutive kharif seasons from 2019 to 2023, comprising of six treatments having four combinations of farm yard manure (FYM) @ 4 t/ha and Vermicompost @ 2 t/ha with Trichoderma and Pseudomonas @ 2.5 kg/ha respectably and application of recommended dose of fertilizer and untreated control. Maximum yield and benefit cost (1.15 t/ha & 2.65) was observed in FYM @ 4 t/ha combined with Pseudomonas @ 2.5 kg/ha, with lowest being at untreated control. Long-term studies indicated that residual organic carbon and primary nutrients were elevated in treatments applied with organic manure compared to untreated controls. The use of FYM treated with biofertilizers was deemed economically viable, providing a solution for marginal pigeonpea farmers in the NEH region to enhance growth and yield.
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