 | Douglas E. Horton - 1987 - 260 trang
This book summarizes the principles of potato production, distribution, and use and uses findings to propose planning for agricultural research and development for crop ... | |
 | Douglas Horton - 2019 - 200 trang
Although the potato is usually thought of as a temperate-zone crop, potato growing in the tropics and subtropics is spreading rapidly. In terms of the dollar value of the crop ... | |
 | Douglas E. Horton - 1987 - 264 trang
This book summarizes the principles of potato production, distribution, and use and uses findings to propose planning for agricultural research and development for crop ... | |
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