Land left in bare fallow to be sown with winter crops sustained losses that far exceeded the rate of new soil formation . 留作播种冬季作物的休耕地所经受的土壤流失远远超过土壤生成的速率。
2.
Winter crops ( wheat and rape ) grew well in farmers fields 农民大田的冬季作物（小麦和油菜）长势良好。
3.
Anhydrous ammonia must be incorporated （ and well sealed ） in all crops 在夏季作物上施用尿素，把尿素和土壤掺混施用有好处，但在冬季作物上则不然。
