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我市的山楂大树树龄多在三十年生以上。其产量占我市山楂总产的绝大部分。由于多数山楂大树长期修剪不当,影响产量提高。现根据实地考察结果,与栽培者谈谈这方面问题。山楂大树修剪方面一般有以下两种不
Hawthorn tree in our city more than thirty years old. Its output accounted for the vast majority of hawthorn in our city. Long-term pruning of most hawthorn trees, affecting the yield increase. Based on the results of the field visit, we talk with the growers on this issue. Hawthorn pruning generally have the following two kinds of not