谷物轮种使土壤保持了肥力和高质。
轮作
rotation of crops
暂无补充释义。
相关例句
相关词条
rotation of aircraft wheels before touch-down
optical rotation
land on fallow rotation
medial
rotary switch with latch for change of direction of rotation and lost motion
reversal of rotational direction (reversal of rotation)
phase rotation
rotation farming