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夏季,浙江省低丘河谷平原地区,每年梅雨一结束,即进入盛夏,气候炎热,许多蔬菜在高温威胁下,难以正常生长发育,往往产量低,质量差,影响收益。然而,在广大山区,夏季的气温则比较低一般情况下,高度每上升100米,气温要下降0.6℃。如四明山区海拔500～700米地区,7～8月平均气温只有24～26℃,非常适合西红柿生长。最近几年,我省气象部门与有关部门协作,充分利用“山区夏凉”这一气候条件上的优势,大力推广“高山蔬菜”,取得了明显的经济效益。如今,西红柿、甜椒、箩卜、茭白、黄瓜等蔬菜品种已在浙江省金华北山、宁波的四朗山、临安的天日山以及温州、丽水等山区“安家落户”。经过努力,已逐步形成了不同高度分品系、分季节的蔬菜生产布局体系。
In summer, in the hilly valley plain area of Zhejiang Province, the end of the annual plum rains, that is, into the summer, the climate is hot, many vegetables under the threat of high temperatures, the normal growth and development, often low yield, poor quality, affecting income. However, in the vast mountainous regions, the temperature in summer is relatively low. In general, the altitude increases by 100 meters and the temperature drops by 0.6 ° C. Such as Siming mountain area 500 ~ 700 meters above sea level, July to August the average temperature of only 24 ~ 26 ℃, ideal for tomato growth. In recent years, the meteorological department of our province, in collaboration with relevant departments, takes full advantage of the climatic conditions of “cool summer mountains” and vigorously promotes “mountain vegetables” and has achieved obvious economic benefits. Today, vegetables such as tomatoes, bell peppers, scallops, wild rice and cucumbers have been settled in the mountainous areas of North China, Jinhua in Zhejiang Province, Si Long Mountain in Ningbo, Tianri Mountain in Lin’an, and Wenzhou and Lishui. After hard work, different height sub-strains have been gradually formed, and vegetable production layout system in different seasons.