... 最适持水量 optimum water capacity 土壤持水量 soil retention 饱和持水量 saturation moisture capacity ...
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Young sprouts of Hevea planting materials at various seasons were examined in relation to the water-retaining capacity and osmotic substance which were employed to determine optimum planting season.
测定橡胶树不同季节萌动芽的持水力及几种渗透活性物质，并以此判断最适宜的定植季节。
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