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一、山楂树有哪些特点?(一)山楂树对环境条件适应性强,比其它果树耐旱、耐寒、抗风。一般在年平均气温4.7—16℃,年降雨量500毫米上下的低温干旱地区,不论山地、平川均可发展山楂。山楂较耐低温,-36℃不受冻害,耐最高气温为43.3℃。(二)山楂较耐阴,在半阴坡、山沟地均可生长,在半遮阴状态下能维持生命。但每天光照必须在7小时以上才能丰产。
What are the characteristics of hawthorn? (A) hawthorn adaptability to environmental conditions, drought than other fruit trees, cold, wind. Generally in the annual average temperature of 4.7-16 ℃, annual rainfall of 500 mm above and below the cold arid areas, regardless of mountain, Hirakawa can develop hawthorn. Hawthorn more resistant to low temperature, -36 ℃ from freezing damage, resistant to the highest temperature of 43.3 ℃. (B) hawthorn more shade-tolerant, can grow in the semi-shady slope, ravine, semi-shady state to maintain life. But daily light must be more than 7 hours to yield.