Author(s):

Abhishek Ranjan, CK Jha, Navnit Kumar, SK Thakur, Shubham Singh, Vivek Kumar and Munmun Majhi

Abstract: A field experiment was conducted to study the effect of integrated nutrient management modules on productivity, quality and economics of Sugarcane grown on Calcareous Soil during 2018 -19 at Dr. Rajendra Prasad Central Agricultural University, Bihar. The treatments comprised of inorganic nutrient sources and their substitution by organic nutrient sources (biocompost + neem cake). The biocompost was applied at planting (PL) and neem cake at earthing up (EL) stages. Sugarcane crop (cv. CoP 2061) planted during spring season. The mean germination per cent, number of tillers, number of millable canes, cane yield and B: C ratio were calculated and shown to be highest for treatment receiving 50 per cent N through inorganic + 50 per cent N through organic fertilizer along with biofertilizers. Sugar yield is a function of cane yield and followed the similar pattern as cane yield. The juice recovery significantly varied due to different nutrient management modules while, their effect on brix, pol and purity coefficient was found non-significant. The uptake of N, P and K also varied significantly due to influence of different nutrient combinations. The uptake of nutrients followed the similar trend of cane yield.

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