我省中北部地区的广大贫下中农。破除迷信,解放思想,大胆进行苹果高接栽培,为在寒冷地区发展苹果生产闯出了一条新路。苹果高接栽培效果1.提高抗寒力。我省中北部地区冬季温度低,苹果树的根颈、主干和 The vast middle and northern part of our province is poor and middle peasants. Get rid of superstition, emancipate the mind, brave apple cultivation and cultivation, for the development of apple production in cold areas to break a new road. High-yielding apple cultivation effect 1. To improve the cold resistance. The central and northern parts of our province have low winter temperatures, apple tree roots and trunks