poorlittle
第5楼2011/03/18
Suggestion :
Pulverization of Corp Stalk to the Soil and Sustainable Development in Agriculture
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Information :
http://www.bighambrothers.com/finish.htm
……directional teeth on each ring will pulverize clods and crimp stalks to the soil……
http://www.google.com.hk/search?q=Pulverize+,Stalk,soil&hl=zh-CN&safe=strict&prmd=ivnsb&ei=ia6CTc-ILI2qcdjtkJwD&start=20&sa=N
1. I call the inner superficies, made from dividing the soil by art ... it is
obvious enough that by its entire pulverization, it will afford to these roots
...
books.google.com.hk/books?id=MOjmAAAAMAAJ
learner1999
第7楼2011/03/18
同意此修改题目