登入選單

返回Google圖書搜尋

The Effect of Soil Aggregation and Seed Treatment on Germination of Segmented Sugar Beet Seed and Emergence of Seedlings

Charles Glenn Painter

出版	Thesis (M.S.) - Michigan State College of Agriculture and Applied Science, 1948
URL	http://books.google.com.hk/books?id=iUSTmnFA-JYC&hl=&source=gbs_api