登入選單

返回Google圖書搜尋

Response of Eighteen Consecutive Sugarcane Crops to N-P-K in Puerto Rico

Juan Amedee Bonnet

出版	University of Puerto Rico, Agricultural Experiment Station, 1963
URL	http://books.google.com.hk/books?id=BwxPAQAAMAAJ&hl=&source=gbs_api