Abstract
A field experiment was laid out during 2023-24 at ICAR- Indian Agricultural Research Institute, New Delhi to study the effect of various nutrient management options on growth performance, yield and quality of sugarcane. Optimized integration of organic sources were evaluated with inorganic nutrient sources in randomized block design with three replications. The result revealed that a significantly higher plant height (407.8 cm), number of tillers (191 × 103/ha), leaf area (511.7 dm2), leaf area index (6.81) and cane yield (91.2 t/ha) of sugarcane were obtained with the integration of 100% synthetic along with 4 t/ha solid digest, which was at par to 100% NP + K through liquid digest, 100% synthetic + 6 t/ha biochar and 100% NP + K through Ash, while the lowest were observed under treatment receiving organic manure alone i.e. 100% N through solid digestate, might be owing to very slow mineralization process of nutrients. These treatments also resulted in an effective combination of organic and inorganic nutrient sources with regard to increased 0brix reading.
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