The wide range in yields is due to the particular farming practices which include crop rotation and length of fallow and their effect on soil moisture levels.
The wide range in yields is due to the particular farming practices which include crop rotation and length of fallow and their effect on soil moisture levels.
产量之间差异较大是由于各自不同的农艺措施，这包括作物轮作、休闲时间长短及它们对土壤水分的影响。