On the basis of many years investigations and observations, the main problems of almond-apricot production in Baiyushan mountainous area of northern Shaanxi have been unveiled. Almond-apricot florescence and fruiting phase encounters strong and much frost. Chief variety of almond-apricot is Longwangmao, but Longwangmao florescence is shorter and earlier than other varieties, and resists frost weakly. Most almond-apricot have been planted on southern slope land, the tree on southern slope land blossoms earl...
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