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在渭北干旱地区,有着丰富的野生的酸枣资源,用以嫁接繁殖大枣,群众早有习惯。但因每年春、夏嫁接季节,干旱少雨,加之酸枣多生在墒情差的埝边和山坡向阳地段,以致皮层剥离困难,嫁接成活率很低,为了解决这个问题,陕西乾县园林工作站吴志忠从1978年开始试验,总结出先给砧木浇水、剪顶,然后嫁接的技术,效果极为显著。成活率最低为87.6％,
In the arid area of Weibei, there are abundant resources of wild jujube for grafting and breeding jujube, and people have long been accustomed to it. However, due to the annual spring and summer grafting season, drought, rainy season, jujube and juvenile in poor soil moisture and sunny hillside sections, resulting in cortical peeling difficulties, graft survival rate is very low, in order to solve this problem, Shaanxi Qianzheng garden workstation Wu Zhizhong Experiments began in 1978, concluded that the first rootstock watering, cutting top, and then grafting technology, the effect is extremely significant. The lowest survival rate was 87.6%