单选题平地沤肥法中,保持堆料的含水率很重要,一般使堆料水分保持在()。A50%~60%B10%~20%C30%~40%D70%~80%
单选题
平地沤肥法中,保持堆料的含水率很重要,一般使堆料水分保持在()。
A
50%~60%
B
10%~20%
C
30%~40%
D
70%~80%
参考解析
解析:
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