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我县位于浙江东北部。常年平均气温16.7℃,一月均温5.1℃,年雨量1231毫米,有霜期120天左右。近几年来,在低山丘陵的东南坡,开荒种植柑桔上万亩,其中90%以上为山田系温州蜜柑,其它还有少量的金柑、朱红、桠柑、早桔等品种。 我县是我省柑桔栽培的北缘地区。由于冬季低温冻害,影响柑桔生产发展。为了增强柑桔抗寒
My county is located in the northeast of Zhejiang. The annual average temperature of 16.7 ℃, January average temperature of 5.1 ℃, the annual rainfall of 1231 mm, a frost period of 120 days. In recent years, in southeastern slopes of low hills, pioneers planted 10,000 hectares of citrus, more than 90% of which are mandarin oranges of Yamada, and a few other varieties of kumquat, vermilion, citrus and early orange. My county is the northern region of citrus cultivation in our province. Due to cold frost damage in winter, affecting the development of citrus production. In order to enhance the citrus cold