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果树根系对铁吸收、运输的几个问题初探薛进军余德才王秀茹田自武台社珍（邯郸农业高等专科学校，永年０５７１５０）李绍华张福锁（中国农业大学，北京１０００９４）地壳中铁的含量为５％左右，土壤中全铁含量也很高，然而土壤中可被植物吸收利用的有效铁含量却很低。土...
Preliminary Discussion on Several Issues of Iron Absorption and Transportation to the Roots of Fruit Trees Xue Jinjun, Yu Decai, Wang Xiulan, Tian Tian, Wu Shizhen (Handan Agricultural College, Yongnian 057150) Li Shaohua Zhang Fusuo (China Agricultural University, Beijing 100094) The content of iron in the crust is about 5% The content of total iron is also high, however, the available iron content in the soil that can be absorbed by plants is very low. earth...