Soil moisture constant

Based on the indexes including soil moisture constant,soil water storage capacity and soil water storage capacity surplus-deficit status defined by its attribute extent of farmland soil moisture,the objective zoning of surplus-deficit status of farmland soil moisture of Heilongjiang Province was created.

依据对农田土壤水分状况的表征程度 ,确定了包括土壤水分常数、土壤蓄水量以及土壤蓄水量盈亏值三类共计 9个指标 ,对黑龙江省农田土壤水分盈亏状况进行了较为客观的分区。