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Influence of Applying Foliar Fe Fertilizer to Hazelnut Tree on the Content of Nutritional Elements in the Leaves of Hybrid Hazelnut

Yan Ling,Pei Shuaishuai,Ji Lan(College of Horticulture,Shanxi Agricultural University,Taigu Shanxi 030801,China)  
In order to initially identified if the etiolation of hazelnut leaves in hazel park caused by the lack of Fe or Cu,nine varieties(lines) were used as materials.Foliar Fe fertilizer and Fe+Cu fertilizer were sprayed to etiolated hybrid hazelnut tree and the contents of chlorophyll and concentration of N,P,K,Ca,Mg,Fe,Cu,Mn,Zn in the leaves both before and affter applying Fe fertilizer were tested.Two replicates were analyzed.The results showed that the Fe fertilizer could effectively promote hazelnut leaves turn green.The effect of applying Fe fertilizer in turning leaves green was better than that of applying Fe+Cu fertilizer.Applying Fe fertilizer significantly reduced the content of Zn and K in leaves.
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