| 其他書名 | Methods of Application and Effect on Germination, Early Growth, Hardiness, Root Growth, Lodging, Maturity, Quality and Yield |
| 出版 | Agricultural Experiment Station of the University of Wisconsin, 1924 |
| URL | http://books.google.com.hk/books?id=Rr1QAQAAMAAJ&hl=&source=gbs_api |