我在美国刚买房子后,见院子里到处都是百废待兴的样子,很是杂乱。我本想任其自生自灭,却又觉得辱没了大好土地,便寻思着种点什么东西。后来见竹林里落叶堆了半尺厚,估计一直没有清理过,我想起了老家制造肥料的另外一种方法,就是将树木杂草堆积起来, I just bought a house in the United States, see the yard full of everything to be done, it is messy. I would like to let it go its own way, but felt disgraced the good land, they wondered what kinds of things. Later, I saw a pile of leaves in the bamboo forest half a foot thick, it has been estimated there has been no clean-up, I think of another home made fertilizer another way is to pile up the trees and weeds,