农业科学

• 蚯蚓粪

  Compare to other 2treatments, the weight of root in wormcast is 1.48 times as in cow dung, 3.42 times as insoil.4.

  用蚯蚓粪作为基质的处理，新根的生物生长量是牛粪的1.48倍，是果园土的3.42倍。