...在同一施氮量下,旗叶和子粒硝酸还原酶（NR）和谷氨酰胺合成酶（GS）活性表现为花后土壤相对含水量（Soil relative water content,SRWC）在60%～70%时最高,过低（40%～50%）或过高（80%--90%）均降低NR和GS活性。
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Leaf relative water content of nitrogen fertilizer treatments had no distinct difference, when soil relative water content was 80%q.
土壤相对含水量80% Q时，各施氮处理叶片相对含水量差异不大。
The non-stomatal limitation play dominant role in decline of photosynthesis while relative soil water content is below 65% which could do harm to photosynthesis organ.
当土壤相对含水量低于65 %时，非气孔限制逐渐成为光合下降主导因子，并可能导致光合器官受到损伤。
The desired input parameters were soil physical constants, crop 's developmental date, initial soil water content and daily air temperature, relative humidity and precipitation.
模式所需的输入为初始土壤含水量、土壤物理常数、作物播种期、逐日平均气温、相对湿度和降水量。
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