梨树多头高接换种技术果树多头高接换种是栽培技术中的一项辅助措施，目的是把一些较差的品种改换成优良的品种。为发展梨果生产，搞活农场经济，提高果品质量，满足市场需求，我们在１０６亩的梨园面积上，先后对１１１９株梨树进行多头高接换种，把原来的“苍溪梨”改换... Pear long high alternative technology Long high turnover of fruit trees is an auxiliary measure in the cultivation of technology, the purpose is to change some of the poor varieties of fine varieties. In order to develop the production of pear fruit, revitalize the farm economy, improve the quality of fruit products and meet the market demand, we have successively changed the original “Cangxi Pear” on the area of ​​106 mu of pear orchard. ..