Five years of continuous field experiments were conducted in Huanggang soil to investigate the turnover rate and humification coefficiency of commonly incorporated organic materials.

• 通过连续5年定位试验,研究了6种不同有机物料在黄刚土上的分解速率和腐殖化系数,及有机物料配合磷、钾养分的不同投入量对平衡土壤养分的作用。