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一、广东柑桔生产概况 广东省大部分处于北回归线以南,热量丰富,雨量充沛,雨季长且雨热同期,除北部和西部山区外,年平均气温都在20℃以上,海南岛大部分在22—24℃之间,最高气温25℃的日数多在200天左右,日平均气温≥10℃的活动积温达6000—9000℃,只有北部和西北部部分地区冬季有短期霜冻;年平均雨量多在1400毫米以上,降雨集中在4—9月。广东的气温生态条件很适合柑桔、尤其是要求热量较高
First, Guangdong citrus production profile Most of Guangdong Province is located in the south of the Tropic of Cancer, rich in calories, abundant rainfall, rainy season and rainy days over the same period, with the exception of the northern and western mountains, the annual average temperature is above 20 ℃, most of Hainan Island At 22-24 ℃, the maximum temperature of 25 ℃ is more than 200 days, and the daily accumulated temperature of ≥10 ℃ is 6000-9000 ℃. Only the northern part and the northwestern part have short-term frost in winter, and the average annual rainfall More than 1,400 mm above the rainfall concentrated in April-September. The temperature of Guangdong is suitable for the ecological conditions of citrus, in particular, requires a higher heat