Maryam Niazi Ardekani; Vahid Barati; Hamid reza Boostani; Ehsan Bijanzadeh
Abstract
This study was perform at the experimental farm of the College of Agriculture and Natural Resources of Darab, Shiraz University in 2017 - 2018 growing season. A split factorial experiment in a randomized complete block design with three replicates was carried out. Treatments included: two levels of irrigation ...
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This study was perform at the experimental farm of the College of Agriculture and Natural Resources of Darab, Shiraz University in 2017 - 2018 growing season. A split factorial experiment in a randomized complete block design with three replicates was carried out. Treatments included: two levels of irrigation as the main plots [normal irrigation (IRN): irrigation based on the plant's water requirement up to the physiological maturity and another factor was water stress (IRDI): irrigation based on the plant's water requirement up to the anthesis stage (cutting of irrigation after anthesis)]. Also, sub plots were two levels of wheat residues [1. without residue, 2. returning 30% of wheat residue to soil] and four fertilizer sources [N0, no nitrogen fertilizer (control); N100, 100 kg N ha-1; Bio + N50, Biofertilizer (Azospirillum brasilense) + 50 kg N ha-1 and Bio, Biofertilizer (Azospirillum brasilense)]. The results showed that the cut of irrigation after anthesis significantly decreased the micronutrients uptake of shoot and grain in barley. All fertilizer sources increased the uptake of micronutrients especially in normal irrigation conditions. Among the N sources, the Bio + N50 treatment was more effective in micronutrients uptake. Also, the highest grain yield in the normal irrigation and water stress condition was obtained in Bio + N50.