Author(s):

Abhisek Pal, PW Deshmukh, PR Chaure and SM Bhoyar

Abstract: A field experiment was conducted during rainy (kharif) seasons of 2018-19 at research farm of Dr. PDKV Akola (M.S) to examine the assessing comparative effectiveness of Phospho-compost and Nitro-Phospho-Sulpho compost on yield, nutrient uptake of soybean crop and soil fertility on Vertisols. The experiment was laid out in Randomized block design with eight treatments replicated thrice. Soybean is a species, widely grown for its high oil content and dietary protein, which also possess multiple uses with specialty of atmospheric nitrogen fixation. The results obtained disclosed that the significant highest grain yield of soybean was recorded by the application of 50% P through NPS + Remaining through chemical fertilizer, followed by of application of 100% RDF. The nutrient uptake status culminated that application 50% P through NPS + Remaining through chemical fertilizer recorded significantly highest grain uptake of nitrogen and potassium whereas phosphorus & Sulphur grain uptake was significantly highest with the application of 100% P through NPS. All the treatments in combination of organic and inorganic showed higher nutrient uptake over the control. Taking the available nutrient status into consideration post-harvest the significantly highest available nitrogen i.e. (267.20 kg ha^-1), phosphorous (21.05 kg ha^-1) and sulphur (18.83 mg kg^-1) was noticed in T₈ i.e. by application of 100% P through NPS. Whereas the significantly highest potassium content (416.10 kg ha^-1) was reported in T₅ i.e. application of 50% P through NPS + Remaining P through chemical fertilizer.

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