在非洲，有大量的土地已经耗尽了养分，因而更需要长期经过良好管理的施肥。
In Africa, where many soils have become badly depleted of nutrients, better fertiliser management would go a long way.
这和今天人类施肥惊人的相似，它导致大量的河湖底部甚至墨西哥湾的海藻出现。
It's not unlike humans' prodigious use of fertilizers today, which can cause large algal blooms in rivers, lakes and even the Gulf of Mexico.
古农书保存了大量的有关有机肥的种类、积制、施用方法及施肥原则等记载。
In antique agricultural books there was the recordation about the variety and use principle of organic fertilizers.
应用推荐