回复:对自制尿素非常感兴趣,能给介绍一下制作方法吗?

来源: 2011-04-01 08:58:51 [旧帖] [给我悄悄话] 本文已被阅读:

Just use your pee + water, 1:5 ratio...I am not kidding...it is all natural...I believe what plants need is "N".