登入
選單
返回
Google圖書搜尋
Methods of Balancing Rations for Dairy Cows in Digestibility Trials with Corn Meal
Charles William Holdaway
James Frank Eheart
Walter Beal Ellett
出版
Virginia Agricultural Experiment Station
, 1929
URL
http://books.google.com.hk/books?id=pCsrAQAAMAAJ&hl=&source=gbs_api
