农田深层土壤水利用现状与研究趋势

Present Situation and Study Progress on the Deep Soil Moisture

近年来,由于水资源短缺,节水农业是华北平原的研究热点。笔者就农田深层土壤水的意义和国内外研究现状进行了综述,并提出了农田深层土壤水的研究趋势。在华北平原,应进行亏缺灌溉条件下周年农田深层土壤水利用效率的研究。

Lately, on account of water resource shortage, saving water agriculture has been a hot study problem. The manuscript summarized signification and study actualities of deep soil moisture all over the world, the study progresses were also put forward. In Huabei Plain of north China, should study anniversary water use efficiency of deep soil moisture under deficit irrigation conditions.