The walnut and Chinese Date are the main no-timber trees in the hilly region, propagated by grafting, which propagation technique needs 2-3years to culture the rootstock and costs much more money.

 
  • 核桃和枣是主要的生态经济林树种,采用常规嫁接技术进行繁殖,生产周期长,成本高,不能适应产业化要求。
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