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前言我们从一九七九年开始进行寒地中小型苹果矮化密植早期丰产栽培技术研究,结果证实:中小型苹果利用矮化砧木同样可以收到矮化树体、提早结果、早期丰产、改进品质的效果;选出了适于寒地应用的矮砧型号;选出了综合表现优良的砧穗组合;利用矮砧实行矮密早栽培是寒地发展中小型苹果生产的一条有效途径。
Preface From 1979, we conducted a study on early and high yielding cultivation of small and medium-sized apple trees in cold regions. The results showed that dwarfing rootstocks can also be used by small and medium-sized apples to receive dwarf trees, early results, early yield and improvement Quality of the effect; selected suitable for cold application of dwarf anvil models; selected the best performance of the combination of anvil scion; dwarf ancestors of the implementation of the early planting is an effective way to develop small and medium-sized apple production in the cold.