作者: R. B. Grossman , T. G. Reinsch
DOI: 10.2136/SSSABOOKSER5.4.C9
关键词: USDA soil taxonomy 、 Environmental science 、 Spatial variability 、 Soil science 、 Extensibility 、 Bulk density
摘要: … The engineers’ dry density is the same as the agricultural … the density of the fraction >2 mm, ρb is the bulk density of the <2-mm fraction, and θm<2 is the gravimetric water content for the …