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1987年至1989年,我省一些市、县从省外引入少量遮阳网在蔬菜生产上进行小规模试验,用网量仅1.27万平方米。1990年,由我局牵头组建23个单位参加的“蔬菜遮阳网覆盖栽培技术研究推广”协作组,边试验、边示范推广,促进了该项技术的迅速发。展。用网量当年达47.21万平方米,1991年236.14万平方米,1992年411.25万平方米,应用面积达2万多亩,预计今年用网
From 1987 to 1989, some cities and counties in our province introduced a small amount of shading net from the outside of the province to carry out small-scale tests on vegetable production, with a net volume of only 12,700 square meters. In 1990, the bureau led by the 23 units to participate in “vegetable shade cover cultivation technology research and promotion ” collaboration group, while testing, while demonstrative promotion, and promote the rapid development of the technology. exhibition. The amount of traffic in the year reached 472,100 square meters, 2,361,400 square meters in 1991, 4,112,500 square meters in 1992, the application area of 20,000 mu, is expected this year with the network