Key points are not available for this paper at this time.
A field experiment was conducted at Instructional farm, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India during rabi season of 2017-18 to evaluate the performance of potato under different integrated nutrient management (INM) options. The experiment was placed in randomised block design (RBD) with seven nutrient management options (T1-100% RDF, T2-100% RDF + yeast vinasse @ 2 t/ha, T3-75% RDF + yeast vinasse @ 2 t/ha, T4-50% RDF + yeast vinasse @ 2 t/ha, T5-100% RDF + vermicompost @ 2 t/ha, T6-75% RDF + vermicompost @ 2 t/ha, T7-50% RDF + vermicompost@ 2 t/ha) and replicated thrice. Results from the experiment expressed that application of 100% RDF along with supplementation of either vermicompost or yeast vinasse @ 2 t/ha ensured greater nutrient uptake such as N (144.6 kg/ha or 138.9 kg/ha respectively), P (18.3 kg/ha or 16.8 kg/ha respectively) and K (130.2 kg/ha or 134.8 kg/ha respectively), tuber yield (27.29 t/ha or 26.97 t/ha respectively), dry matter yield (6.75 t/ha or 6.66 t/ha respectively) and quality such as carbohydrate (74.7% or 74.9% respectively) and protein (1.23% or 1.22% respectively) of potato over sole application of 100% RDF through chemical sources. Thus, both these integrated nutrient management options can be recommended in place of sole chemical fertilizers to obtain improved potato performance.
Biswas et al. (Wed,) studied this question.