《Table 4–Zn use efficiencies of scented rice as influenced by rice variety and Zn fertilization stra

《Table 4–Zn use efficiencies of scented rice as influenced by rice variety and Zn fertilization stra   提示:宽带有限、当前游客访问压缩模式
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《Zinc partitioning in basmati rice varieties as influenced by Zn fertilization》


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Variety‘PB 1401’showed the highest agronomic efficiency(AE)(197.9 and 195.2 kg grain increased per kg Zn applied) ,significantly superior to the rest of the varieties except for‘PB1121’during the second year(Table 4).Irrespective of Zn source,AE declined as the level of Zn application was increased.With respect to recovery efficiency(RE),‘PB 1401’(4.20%)and‘PB 1460’(4.25%)recovered more Zn than the other varieties in the first and second years,respectively.Likewise,‘PS 5’showed the highest increase in grain yield per kg of Zn uptake,in the first year.Higher agronomic,recovery and physiological efficiencies were observed in the plots supplied with soil+foliar application of Zn than in those with soil application alone.With respect to the source,application of Zn-EDTA by either soil or foliar fertilization proved superior to Zn SO4·7H2O.However,treatment Zn4yielded the highest agronomic,recovery,and physiological efficiencies of applied Zn,followed by treatment Zn3.