土施Fe、Mn、Cu肥对扁桃叶片矿质营养元素含量的影响

为探明Fe、Mn、Cu对扁桃叶片中各矿质营养元素含量的影响，2009～2010年连续2a在结果期扁桃园内萌芽前土施不同浓度梯度的Fe、Mn、Cu肥，在扁桃果实膨大期采集叶片，对其中N、P、K、Ca、Mg、B、Zn、Fe、Mn、Cu10种矿质营养元素舍量进行测定分析。结果表明：在萌芽前土施不同浓度Fe、Mn、Cu元素，能显著或极显著提高扁桃叶片中Fe、Mn、Cu含量，且均为施用最高浓度提高最显著；同时Fe、Mn、Cu元素在吸收过程中与其它9种矿质元素形成促进和拮抗双重关系，Fe促进K、B的吸收，但与N、P、Mn、Ca、Cu、Zn发生拮抗；Mn促进K和Cu的吸收，但与Ca、Fe、Mg发生拮抗；Cu促进K、Zn、Mn的吸收，但与Fe发生拮抗。

Effects of Soil Fertilization of Fe,Mn and Cu on Mineral Nutrient Elements Content of Almond Leaves

In order to prove the effects of fertilizer of Fe,Mn and Cu on mineral nutrient elements content of al- mond leaves,fertilizers with different concentration of Fe, Mn and Cu were fertilized in almond garden which was during the fruit budding period from 2009 to 2010. The leaves were collected in the fruit expanding period for the determination and analysis of ten kinds of mineral nutrient elements content （N, P, K, Ca, Mg, B, Zn, Fe, Mn and Cu）. The results showed that it could improve the corresponding element content of almond＇ s leaves significantly or extremely significantly when the soil was fertilized by fertilizers with different concentration of Fe, Mn and Cu during budding period,and higher concentration greater content. At the same time, the fertilizer of Fe,Mn and Cu formed dual relationship for promotion and antagonism with other nine kinds of various min- eral elements during the absorption process. Fe could promote the absorption for K and B,but restrict the ab- sorption for N, P, Mn,Ca,Cu and Zn. Mn could promote the absorption for K,Cu and Mg, but restrict the ab- sorption for Ca and Fe. Cu could promote the absorption for K,Zn and Mn,but restrict the absorption for Fe.