pond sludge used as manure
Pond Sludge Used As Manure(塘肥), 此释义来源于网络辞典。
river silt
Fujian Agricultural Science and Technology
词目:塘肥 拼音:táng feí 基本解释 [pond sludge used as manure] 池塘中 用作肥料的污泥 详细解释 用作肥料的塘泥。