论文部分内容阅读
淮北地区元帅系苹果低产原因及增产途径刘广勤常有宏刘红锦邵明灿蔺经钱亚明毛丽（江苏省农科院园艺研究所南京２１００１４）（江苏省丰县大沙河果园地处黄淮海平原南部的淮北果区，元帅系苹果占全区苹果种植面积的２５％～３０％。乔砧元帅系苹果花朵坐果率极低，仅５．...
(Department of Horticulture, Jiangsu Academy of Agricultural Sciences, Nanjing 210014) (Dashahe Orchard in Fengxian County of Jiangsu Province is located in the north of Huang-Huai-Hai Plain, north of Huaibei Fruit District, Marshal Department of Apple accounted for 25% of the area planted apple ~ 30%. Joe antecedent Marshal Department of apple flowers set fruit rate is very low, only 5 ....