登入
選單
返回
Google圖書搜尋
A Graphic Summary of the Value of Farm Property
Arthur Ryker Hall
Benjamin Ralph Stauber
Donald Jackson
Howard Archibald Turner
Hugh Hammond Bennett
Josiah Chase Folsom
Mary Aloysius Agnew
Myron Sallee Anderson
Oliver Edwin Baker
Oran Raber
R. T. Cotton
Albert Benjamin Genung
Mark Matthew Regan
Newell Emanuel Good
Wesley Moulton Noble
其他書名
(based Largely on the Census of 1930 and 1935)
出版
U.S. Department of Agriculture
, 1936
URL
http://books.google.com.hk/books?id=M45Z0AEACAAJ&hl=&source=gbs_api
註釋
The conservation farming practices discussed here are a few of those found by experience and investigation to be effective in erosion control and which promise, accordingly, substantial aid to upstream flood control and soil protection.