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Google圖書搜尋
Tillage
John Deere
其他書名
Fmo11604w
出版
Deere, John Deere Publishing
, 2007
主題
Technology & Engineering / Agriculture / General
ISBN
0866913467
9780866913461
URL
http://books.google.com.hk/books?id=zTisnQEACAAJ&hl=&source=gbs_api
註釋
Student Guide - Tillage has been defined as those mechanical, soil-stirring actions carried on for the purpose of nurturing crops.