“soil bulk density”簡單造句，soil bulk density造句子

Simulated experiment on effect of soil bulk density on soil infiltration capacity

A regression model about soil bulk density, moisture content and germinating seed rate was established with the method of quadratic orthogonal rotary regression.

Effects of soil bulk density on distribution and transportation and transformation of soil moisture and nitrogen under film hole irrigation

Through analyzing, conservation tillage did not cause the soil to harden etc, and can reduce the soil bulk density in various degree, improved the structure characteristic of the soil.

Study on spatial-temporal changes of soil bulk density and soil porosity of alpine meadow in Tianzhu

Maize straw returning to the field also decreased soil bulk density.