loam soil

基本解释

Little interval of water dropper should be chosen for sand, but large interval of water dropper can be chosen for loam soil.
对于砂土，应选择小的滴头间距，而对于壤土则可以选择大的滴头间距。
Ethoprophos don ' t move in the black soil of northeast, don ' t easily move in the red soil of Guangdong and sandy loam soil of Shandong.
灭线磷在东北黑土中为不移动农药，在广东红土和山东砂壤土中为不易移动农药。
However, the effect of its permeability and water-maintaining in loam soil, sandy loam and vermiculite was not so obvious as in soddy soil.
信德瑞在壤土、砂土和蛭石中的渗透、保水效果不如在草炭土中明显。

The soil should be full of loam, a mixture of sand, silt,clay and organic material.