The effect of microorganism inoculants on pig manure composting was studied.
研究了添加微生物发酵菌剂对猪粪堆肥腐熟的影响。
Therefore pig manure was unsuitable to be applied to rice grown on arsenic-toxic soils.
因此，在农业生产中该地区的砷毒土壤不宜施用有机肥。
Zuckerman knew that a manure pile is a good place to keep a young pig.
扎克·门斯先生深知粪肥堆是饲养幼猪的好地方。
Zuckerman knew that a manure pile is a good place to keep a young pig.
扎克·门斯先生深知粪肥堆是饲养幼猪的好地方。
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