In cases where sewage mud is used, expensive chemical fertilizer use can be avoided.
在使用污泥的情况下,可以避免使用昂贵的化肥。
Rubbish from food can be changed into fertilizer to make plants grow better.
食物中的垃圾可以转化为肥料,使植物长得更好。
I am an energetic man, and I believe that if I have fertilizer I can do better.
我是个精力充足的人,我相信我如果有化肥的话,就能做得更好。
Anders Wilhelmson says people can get back ten times what they paid by using the resulting fertilizer to grow vegetable gardens.
VOA: special.2010.03.15
Tilling can remove weeds and the waste from last season's crops and help break down old plant material into fertilizer.
VOA: special.2010.09.28
And it can limit the need for chemical fertilizers by letting animal waste do the job of natural fertilizer.
VOA: special.2010.01.19
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