An amendment should decrease bulk density, increase total porosity, and increase water and air content. 改良剂能降低堆积密度,增加总孔隙度(TP),增加水和空气的含量。
Total porosity is the ratio of the total void space in the rock to the bulk volume of the rock; 有效孔隙度是互相连接的孔隙的体积与岩石总体积的比值。
For intergranular materials, poorly to moderately well cemented, the total porosity is approximately equal to the effective porosity. tending to decrease or cause a decrease in value. 对于由晶体构成的物质,其晶粒间含泥浆少或较少,因此总孔隙度(TP)与有效孔隙度近似相等。倾向于减少或价值上减少的。
The total porosity and the aerate porosity decrease after the rain while the faster available porosity and the slow available porosity increase. 降雨后土壤的总孔隙度(TP)下降,通气孔隙下降较明显,同时速效孔隙和迟效孔隙增多。
Organic matter content showed a negative correlation with soil bulk density and a positive correlation with total porosity. 有机质含量与土壤容重呈负相关关系,和总孔隙度(TP)之间则表现出正相关关系。