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Development of Fertilizer Recommendations for Irrigated Grain & Oilseed Crops in Southern Alberta

Alberta. Soils BranchJack Mervon CarefootAlberta. Farming for the FutureRoss Hugh McKenzieLeonard Mitchell Kryzanowski

出版	Soils Branch, Alberta Agriculture, 1989
URL	http://books.google.com.hk/books?id=iUUDMgEACAAJ&hl=&source=gbs_api