Effect of sowing dates and zinc fertilization on soil nutrients availability after harvest of different varieties of wheat (Triticum aestivum L.)
DOI:
https://doi.org/10.48165/jefa.2026.21.1.26Keywords:
Wheat, varieties, sowing dates, zine fertilization.Abstract
A field experiment was conducted during rabi season of 2023-24 and 2024-25 at the Instructional Farm, College of Agriculture, Jodhpur. The experiment consisted of twenty-four treatment combinations comprising two sowing dates (5th and 25th November), three varieties (GW 11, DBW 187 and DBW 372) and four levels of zinc fertilization (Control, 25 kg ZnSO4.7H2O ha-1 basal application, two foliar applications of 0.5% spray of ZnSO4.7H2O at flowering and grain filling stage, and 25 kg ZnSO4.7H2O ha-1 basal application + one foliar application of 0.5% spray of ZnSO4.7H2O at grain filling stage). The experiment was conducted in split plot design (SPD) replicated thrice. Results revealed that zinc fertilization markedly enhanced soil nutrient status, with the treatment 25 kg ZnSO4.7H2O ha-1 basal application + one 0.5 per cent foliar spray at grain filling recorded the highest available N, P, and Zn during both the years and pooled analysis. On pooled basis, this treatment improved nitrogen, phosphorus, and zinc by 5.95, 7.98 and 51 per cent over the control, making it the most effective.
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