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2007年冬季,南疆地区出现了极端低温天气,和田地区低于-15℃的气温超过21天,苗圃枣树嫁接苗普遍受冻害,给红枣生产造成了严重的经济损失。冻害轻重与苗圃的土壤结构、灌水量大小和摘心有很大关系。用粘土地育苗的苗圃,嫁接后灌水量大,
In the winter of 2007, there was extreme cold weather in southern Xinjiang. The temperature below -15 ℃ in Hetian exceeded 21 days. Jujube grafted seedlings in nursery were generally affected by frost damage, which caused serious economic losses in jujube production. The severity of frost damage and nursery soil structure, the amount of water and topping are closely related. Nursery nursery with clay, large amount of irrigation after grafting,