Soil Nutrient Balance and Yield as influenced by Precision Nutrient Management (PNM) in Maize (Zea mays L.)

Experiment was conducted during 2013 kharif season at ARS, Mudhol to study the effectof precision nutrient management on yield, nutrient uptake and nutrient balance sheet of maize. Application of nutrientsfor targetyield level of 140 qha⁻¹recorded significantly higher grain (128.26 q ha⁻¹) and stover yield (150.65 q ha⁻¹). At 60 DAS and at harvest target yield level of 140 q ha⁻¹ receded significantly higher N, P₂O₅ and K₂O uptake (206.9, 27.7 and 65.9 kg ha¹) and (338.4, 60.4 and 104.9 kg ha⁻¹) respectively. However, with respect to available nutrients target yield level of 140 q ha⁻¹ receded higher available N, P₂O₅ and K₂O (175.8, 24.5 and 1097 kg ha⁻¹ respectively) as compared to other treatment combinations.