从齐穗期至成熟期、乳熟期倒伏危险性最大；
乳熟期水稻对土壤的水分条件比较迟钝，干旱对水稻光合作用的影响不大。
At milky stage, rice is slow to soil moisture conditions, the effect of drought on rice leaf photosynthesis is little. 10.
在各处理中，以半仁期、乳熟中期和乳熟末期喷氮提高籽粒蛋白质含量较多。
In different treatments, the protein content was raised considerably by spraying nitrogen on leaves at half kernel stage, middle milk stage and late milk stage.
并且，随着温度升高，徐州、宜兴两地拔节、孕穗、抽穗、乳熟期也无显著变化。
The stages of stem elongation, booting, heading and maturing of rice showed no significant change with the increase in mean air temperature.
乳熟期玉米青贮DM的有效降解率比乳熟前期高7.78个百分点（P<0.05）。
The DM effective degradability of milk stage was higher 7.78(P<0.05)percent point than premilk stage's effective degradability.
结果表明：小麦拔节—乳熟期间，间作系统内小麦日蒸腾耗水比单作麦田低21 6%；
The results indicated that the wheat transpiration in inter-cropping decreased by 21.6% compared to sole wheat field (CK_1).
早稻在乳熟期、腊熟期两次测定的叶绿素含量时均以PGR4处理为最高，PGR3处理次之。
In milk stage and maturity stage, Chlorophyll content of PGR4 treatment was the highest and had a minimum magnitude of decrease, and PGR3 treatment took second place.
在黄土高原旱作区，小麦拔节至抽穗期土壤贮水量与穗粒数，灌浆至乳熟期土壤贮水量与穗粒重的关系最为密切。
The relationship between the soil water content from the jointing of wheat to the heading and Numbers of grains of every ear of wheat is the closest in the dry farming regions of the Loess Plateau.
在黄土高原旱作区，小麦拔节至抽穗期土壤贮水量与穗粒数，灌浆至乳熟期土壤贮水量与穗粒重的关系最为密切。
The relationship between the soil water content from the jointing of wheat to the heading and Numbers of grains of every ear of wheat is the closest in the dry farming regions of the Loess Plateau.
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