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Maize is an important cereal crop which is utilized as a human food as well as raw material for processing industries. However, yield losses are prominent due to the improper nutrient management practices. Hence the study was carried out on “Effect of NPK Levels with Bio-Fertilizers on Productivity of Maize (Zea mays L.)” during summer season of 2019 at the Agricultural research farm of IFTM University, Lodhipur Rajput, Moradabad (U.P.). There are Nine treatment combinations were comprised in randomized block design with three replications. The treatment combinations are T1-50% RDF Control, T2-50% RDF+VAM, T3-50% RDF+VAM +Vermicompost, T4-100% RDF, T5-100% RDF+VAM, T6-100% RDF+VAM+Vermicompost, T7-150% RDF, T8-150% RDF+VAM and T9-150% RDF+VAM+Vermicompost. Maize variety Pioneer P-3377 was sown 50 × 20 cm spacing in sandy loam soil with 120: 60: 40 kg ha-1 RDF. Treatment T9-150% RDF+VAM+Vermicompost was observed significant increase in all growth attributes viz., plant height (219.00 cm), number of leaves (15.75 plant-1), fresh weight (840.10 g plant-1), dry weight (141.00 g plant-1) at harvesting stage as well as on yield attributes such as number of cobs (2.10 plant-1) length of cobs (23.30 cm), number of grains (260.00 cob-1), seed index (28.45 g), grain yield (43.63 q ha-1), stover yield (74.77 q ha-1), biological yield (118.40 ha-1), harvest index (36.90%).

Effect of NPK levels with bio-fertilizers on productivity of maize (Zea mays L.)