登入選單

返回Google圖書搜尋

Indigenous Rubidium-potassium Ratios of Soils and Crop Plants as Influenced by Potassium Fertilization

Ahmed Abdel Rahman Hafez

出版	University of California, Davis, 1971
URL	http://books.google.com.hk/books?id=g1Fy00jjPx0C&hl=&source=gbs_api