cow and bullock manure

• 牛粪肥

cow and bullock manure的用法和样例：

例句

1. The growing medium should be equal parts of sand and loam with an admixture of peat moss and cow manure.
   种植介质应当由等量的沙土和粘土与泥炭沼和牛粪肥的混合物构成。