permanent wilting coefficient的意思|示意
永久萎蔫系数
permanent wilting coefficient的网络常见释义
永久萎蔫系数 永久萎蔫系数(permanent wilting coefficient):指当植物刚刚发生永久萎蔫时,土壤中的水占土壤干重的百分比.植物所能利用的水,就是永久萎蔫系数以外的水.
调萎湿度 田间持水量（Field water holding capacity，FWHC）为22.9%，调萎湿度（Permanent wilting coefficient，PWC）为6.2%。 1.2 材料与方法 1.2.1 实验设计 实验在人工种植紫花苜蓿草地进行。
permanent wilting coefficient相关短语
1、 Leaf blade permanent wilting coefficient 叶片永久萎蔫系数
permanent wilting coefficient相关例句
Permanent wilting coefficient of two jujube varieties both lower than 3%, jujube has higher drought capacity.
其永久萎蔫系数均低于3%。表明这二种枣树的抗旱能力较强。
The permanent wilting coefficient of young jujube trees was 3.5 percent, but that of elder trees was about 3 percent.
枣树幼树叶片的永久萎蔫系数为3.5 %，而枣树大树叶片的永久萎蔫系数应在3%左右。