总是说要带科技下乡，把科学知识普及到广大农民手中，看看美国的科技下乡是如何做的？The Fruit Growers News is a monthly publication from the Great American Publishing Company of Sparta, Michigan. Growers get industry news along with advice and information from experts. Some of the articles can be read for free at fruitgrowersnews.com.
The Vegetable Growers News, a related publicat…
发表于 2016-8-2 14:15:54