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The Economic Position of Fertilizer Use in the United States
Donald Bryan Ibach
Richard Charles Lindberg
出版
U.S. Department of Agriculture, Agricultural Research Service
, 1958
URL
http://books.google.com.hk/books?id=xIcwAAAAYAAJ&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Pp. 3 -- Introduction. pp. 4 -- Current fertilizer practice, by crops. pp. 5 -- Production from current acreage and projected needs. pp. 12 -- Acreage-fertilizer combinations for U.S. production and projected needs. pp. 14 -- Meeting projected needs at minimum unit cost. pp. 19 -- Optimum use of limited quantities of fertilizer. pp. 25.