登入選單
返回Google圖書搜尋
How Serious are the Defects of Mechanical Blocking of Sugar Beets
Don Warren Pittman
其他書名
A Study of the Defects of Mechanical Blocking and of Means of Predicting the Results in Each Case
出版Agricultural Experiment Station, Utah State Agricultural College, 1951
URLhttp://books.google.com.hk/books?id=5vq4mvTHkYYC&hl=&source=gbs_api