“耕层”怎么读

各品种在耕层不同深度分布也不同.The root distribution in different tilth layer is different.通过田间 长期 定位试验,探讨了耕作措施对农田黑土耕层水分的影响.This study determined infiltration into soils on black farmland under different tillage systems by long - term ...

“耕层”的英语可以翻译为：topsoil，plough layer ...