我地区广大农民群众在长期生产实践中,对农家肥的积、制、保、用,积累了不少经验。下面介绍防城自治县的“牛窝塘”,灵山县的“牛栏粪”,浦北县、北海市的“复合肥”。一、“牛窝塘”在牛栏旁边挖建窝塘,深2尺,宽、长视牛头数而定,以容纳牛只能转动为原则,硬底硬壁,用石块砌成,四周竖立砖柱或木柱,上面盖瓦。紧靠窝塘建 In the long-term production practice, the vast majority of peasants and people in our region have accumulated a great deal of experience in the accumulation, system, guarantee and use of farm manure. The following describes the Fangcheng Autonomous County, “Niu Wo Tong”, Lingshan County “bullpen dung”, Pubei County, Beihai City, “compound fertilizer.” First, the “Cow Wok Tong” next to the digging in the nest built ponds, deep 2 feet wide and long depending on the number of cattle head, in order to accommodate cattle can only be rotated as the principle, the hard bottom hard, with stones, four weeks Erected brick or wooden column, tiling above. Close to the nest pond