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本文为1972—1979年进行的苹果、梨树密植早期丰产试验的总结。着重分析了乔砧密植栽培中的合理密度、品种、群体整齐度、树体发育基础、果园群体及树体结构、负荷量以及控制措施等关键问题。并提出了进一步设计和开展生产性(中间)试验时的技术要点。
This article is from 1972 to 1979, apple, pear planting early high yield test summary. The key problems such as reasonable density, variety, population uniformity, foundation of tree development, orchard population and tree structure, load and control measures are emphasized. And put forward the technical points when further designing and carrying out the productive (intermediate) test.