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一、引言土壤水分状况,是土壤肥力的基本要素之一,亦是作物的主要营养物质,尤其在盐碱地区,土壤及底层土中盐分的运动与积累,大都是以水溶液的状态活动,它
I. INTRODUCTION Soil moisture status is one of the basic elements of soil fertility. It is also a major nutrient of crops. In particular, the movement and accumulation of salinity in salinization areas, soil and subsoil are mostly in the state of aqueous solution.