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2014•BIOINFOLET - A Quarterly Journal of Life SciencesRequires access

Effect of nitrogen doses and scheduling on yield, quality and uptake of NPK under late sown wheat

Ajay Kumar Pandey, R.S. Kureel, U.N. Shukla, Smıta Sıngh, Manju Lata Mishra, Jitendra Kumar

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Abstract

Significantly higher number of effective tiller/m row (59.95), spike length (11.65), grain/spike (44.26), grain yield (3613 kg/ha), straw yield (5489 kg/ha), protein content (12.58%), uptake of N (123.34 kg/ha), P (22.81 kg/ha) and K (109.29 kg/ha), NPK (255.44 kg/ha) and agronomic Nitrogen use efficiency, but lower Apparent Nitrogen Recovery (ARN) and Partial Factor Productivity (PFPN) were recorded due to the application of 150 kg N/ha. The growth and productivity parameters got significantly improved when the nitrogen was applied as 25% basal + 45% at Ist irrigation + 25% at flowering + 5% at milk stage (as a foliar spray) over rest of the nitrogen scheduling

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Significantly higher number of effective tiller/m row (59.95), spike length (11.65), grain/spike (44.26), grain yield (3613 kg/ha), straw yield (5489 kg/ha), protein content (12.58%), uptake of N (123.34 kg/ha), P (22.81 kg/ha) and K (109.29 kg/ha), NPK (255.44 kg/ha) and agronomic Nitrogen use efficiency, but lower Apparent Nitrogen Recovery (ARN) and Partial Factor Productivity (PFPN) were recorded due to the application of 150 kg N/ha. The growth and productivity parameters got significantly improved when the nitrogen was applied as 25% basal + 45% at Ist irrigation + 25% at flowering + 5% at milk stage (as a foliar spray) over rest of the nitrogen scheduling

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Available abstract

Significantly higher number of effective tiller/m row (59.95), spike length (11.65), grain/spike (44.26), grain yield (3613 kg/ha), straw yield (5489 kg/ha), protein content (12.58%), uptake of N (123.34 kg/ha), P (22.81 kg/ha) and K (109.29 kg/ha), NPK (255.44 kg/ha) and agronomic Nitrogen use efficiency, but lower Apparent Nitrogen Recovery (ARN) and Partial Factor Productivity (PFPN) were recorded due to the application of 150 kg N/ha. The growth and productivity parameters got significantly improved when the nitrogen was applied as 25% basal + 45% at Ist irrigation + 25% at flowering + 5% at milk stage (as a foliar spray) over rest of the nitrogen scheduling

Key concepts: Nitrogen, Straw, Tiller (botany), Animal science, Agronomy, Irrigation, Chemistry, Grain yield

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Effect of nitrogen doses and scheduling on yield, quality and uptake of NPK under late sown wheat — Research Paper | ScholarLens