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农业是第一用水大户,有效利用土壤水是实现黑龙港地区农业可持续发展的关键。本文分析了黑龙港地区主要作物需水与降水的关系。建立了作物生长条件下包气带流动系统的概念,并以此为基础提出了土壤水全时空调控的概念,探讨了土壤水全时空调控的涵义与措施。指出土壤水调控是一系统工程,必须多种措施有机结合。简单介绍了王瞳试验场开展的田间土壤水调控试验成果。
Agriculture is the largest water user and the effective utilization of soil water is the key to realize the sustainable development of agriculture in Heilonggang. This paper analyzes the relationship between water demand and precipitation in major crops in Heilongjiang Province. The concept of aeration zone flow system under crop growth was established. Based on this concept, the concept of full temporal and spatial control of soil water was put forward, and the meaning and measures of full temporal and spatial control of soil water were discussed. Pointed out that soil water regulation is a systematic project, must be organic combination of various measures. A brief introduction of the Wang pupil field test field soil water regulation results.