明白了,谢驴大师!
回答: 密植、改单季为双季,改杂粮为种稻麦等,都是些透支地力的做法。深翻是为了借用下层肥力,但不适合所有土壤,还要几年后见效。。
由 FarewellDonkey18
于 2024-01-15 21:40:14
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