【摘要】 根据多年观测资料研究 ,提出黑龙江海伦区域农田黑土水分的基本特征 ,黑土水分季节动态变化规律和垂直动态变化规律 ,同时分析了影响土壤水分变化规律的主要因素。更多还原

【Abstract】 Soil water condition was influenced by meteorology, soil ghysical properties, vegetation and many other factors. The basic characteristics, and seasonal and vertical movement of water in black soil were proposed according to a long time observation. Meanwhile, the main factors that impact the soil water movement were analyzed.更多还原