PREVIEW
... Sang's family was curious and came to watch the fun.
Mr. Wei has done more than a hundred times to test the energy content of vegetables, and he is very familiar with the method, and the results are quickly obtained.
Water mixed into manure is effective, and its effect will not change with the length of fermentation time, that is to say, water exposed to the air or in a fermentation environment will not change its proper effect.
However, I don't know if there is some ...
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