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沙地雪花梨丰产树相指标研究陈景顺，闫庚，陈湖，邢永才，张新生（河北省农林科学院昌黎果树研究所０６６６００）雪花梨是冀东沙地近年发展的主栽品种之一，适应性强，果实个大甜脆，品质优良，丰产，经济效益高。由于是雪花梨的发展新区，尚缺适于冀东沙地的丰产树相指...
Study on the Indices of High Yield Snowflake Pear in Sandy Land Chen Jingshun, Yan Geng, Chen Hu, Xing Yongcai, Zhang Xinsheng (Changli Institute of Fruit Research, Hebei Academy of Agriculture and Forestry, 066600) Snow pear is one of the main cultivars developed in recent years in Jidong sandy land, , A big sweet crisp fruit, high quality, high yield, high economic efficiency. Due to the development of snow pear district, there is still a shortage of high yielding tree suitable for Jidong sand ...