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对矮化苹果栽植密度的研究，得出早期产量与密度呈正相关关系，使苹果矮密栽培标准化，提出了高密园是提高果园早期产量的关键，以及高密园适时间伐可保持稳产优质的效果。新乔纳金、红富士配Ｍ２６ 中间砧，２ 年结果，３ 年丰产，６６７ｍ ２ 产量最高达８０８－３ｋｇ 。在整形方面采用纺锤形，并提出了纺锤形树体结构的参数指标。证明纺缍形丰产、优质简便。
The study on the planting density of dwarf apple showed that there was a positive correlation between early yield and density and standardized the low density cultivation of apple. The key to improve the early yield of apple orchard was proposed and the effect of high density park could be kept stable and high quality with the proper time interval. New Jonathan, Red Fuji with M26 intermediate anvil, 2 years results, 3 years of high yield, 667m 2 Production up to 808-3kg. In the aspect of shaping, spindle shape is adopted, and parameter indexes of the spindle-shaped tree structure are proposed. Proofing spun yarn yield, high quality and easy.