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长沙地处长江以南,夏季受较低纬度的副热带干暖气团所盘踞,太阳辐射强烈,温度高,湿度小,严重制约着夏秋蔬菜的生长发育。为了改善夏秋蔬菜生长发育的小气候条件,确保高产、稳产,丰富市场花色品种,克服秋淡供需矛盾,更好地为消费者服务,我们于1990年开展了黑色遮阳网不同覆盖形
Changsha is located south of the Yangtze River, the summer by the lower latitudes of the subtropical dry heating air entrenched, strong solar radiation, high temperature, low humidity, seriously hampered the growth and development of vegetables in summer and autumn. In order to improve the summer climatic conditions of the growth and development of vegetables, to ensure high yield, stable production, rich market varieties, to overcome the contradiction between supply and demand autumn and fall, to better serve consumers, we launched in 1990 black shade network coverage