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本文从简化的土体模型出发,导得了土壤最小持水量(即田间持水量)与土壤物理参数之间的关系,用此公式计算田间持水量与实测结果颇为一致,平均误差约在4%以下。
Based on the simplified soil model, the relationship between the minimum soil water holding capacity (field capacity) and soil physical parameters was obtained. The field water holding capacity calculated by this formula was in good agreement with the measured results, with an average error of about 4% the following.