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Research Article Open access CC BY 4.0

Effect of Nitrogen and Phosphate Fertilizer on Phosphorus Uptake and Phosphorus Use Efficiency in Some of Wheat Varieties (T. aestivum and T. durum)

Pramod Kumar Sharma, R. Elanchezhian, Rekha Gurjar, Rajesh Choudhary, Devendra Kumar, Rupesh Yadav

International Journal of Environment and Climate Change · pp. 95–108 · Published 22 Feb 2023

10.9734/ijecc/2023/v13i21658

Abstract

A field experiment was carried out in a subtropical region of India. The main purpose of this experiment was to grow different wheat genotypes under different nutrient doses and find out which genotype performed better in terms of yields and other attributes under nutrient constraints. Nine varieties of wheat (T. aestivum and T. durum L.) were selected and grown as test crops in the current investigation, adopting a split plot design that was replicated three times, with nutrient dose as the main plot and varieties as sub treatments. In the treatmentT1 = control, T2 = 100% (N+P+K), T3 = 50% N+100% (P+K), and T4 = 50% P+100% N+K, there are 36 plots in a block (9 varieties x 4 fertilizer N and P treatments). Of the nine varieties grown under normal N and P conditions, varieties NARMADA 14 and GW 366 had the highest P content in grain and straw. GW366 (10.93 kg/ha) had the highest average total P uptake, followed by NARMADA14 (10.90 kg/ha). Under normal doses of N and P, the variety HI 1531 (15.25%) had the highest apparent recovery of P, followed by NARMADA14 (15.15percent).Across all fertilizer N and P dosages, the highest average agronomic efficiency for P was found in GW366 (40.09%), followed by LOK1 (37.93%). NARMADA 14 and GW366 have the highest P content in grain and straw of the nine varieties grown under normal nitrogen conditions. Agronomic use efficiency and physiological use efficiency were generally substantially higher when computed on a P basis than they were when calculated on an N basis. P fraction concentrations in black soil varied, but they responded similarly to crop species and N sources. The N supply had an impact on the amounts of P taken from the soil. In P-deficient soils, the use of an appropriate N source and the selection of the right crop species may boost crop yield and plant P uptake.

Nucleic acids genotypes varieties efficiency nutrient

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