Efficient genotypes and reasonable nitrogen fertilizer management are effective measures to increase nitrogen uptake and utilization efficiency in rice.
选用氮素高效基因型和合理的氮肥调控是目前提高水稻氮素利用效率的有效途径。
Under different soil conditions, there were significant genotypic differences in effects of applying nitrogen fertilizer on nitrogen use efficiency, yield and characters of nitrogen uptake.
在不同土壤条件下，水稻施用氮肥的增产效应、氮肥利用效率和对氮素的积累与分配均存在显著的基因型差异。
Yield, nitrogen efficiency, characterization of nitrogen uptake and key enzyme activity of nitrogen assimilation were studied in wheat varieties with different nitrogen efficiencies.
以具有典型特征的不同氮效率小麦品种为材料，研究丰、缺氮条件下的籽粒产量、氮效率、氮素吸收特性和氮素吸收同化关键酶活性。
Yield, nitrogen efficiency, characterization of nitrogen uptake and key enzyme activity of nitrogen assimilation were studied in wheat varieties with different nitrogen efficiencies.
以具有典型特征的不同氮效率小麦品种为材料，研究丰、缺氮条件下的籽粒产量、氮效率、氮素吸收特性和氮素吸收同化关键酶活性。
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