Field water surplus and deficit of major crops in dryland of northern China

来源 :The Journal of Chinese Geography | 被引量 : 0次 | 上传用户：LXL66798

【摘要】

：

The definition and classification of field evapotranspiration was discussed, based on which the calculation model for field evapotranspiration was established. Based on crop, soil measurements and mea

【出处】

：

The Journal of Chinese Geography

【发表日期】

：

2000年03期

【关键词】

：

Northern China DRYLAND FIELD evapotranspiration CROP WATER requirement CROP WATE

【基金项目】

：

The national key research project: Field water balance and its regulation techniques, water potential productivity and its prope

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