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ID:6051710
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时间:2018-01-01
《赣南脐橙园土壤有效锌含量状况探究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、赣南脐橙园土壤有效锌含量状况探究 摘要:【目的】为了解赣南脐橙园土壤有效锌含量状况,【方法】在赣南16县随机选取446个脐橙园,分析土壤农化样和背景样有效锌含量、pH值、有机质含量等。【结果】赣南脐橙园背景样和农化样土壤分别有80.78%和90.87%为酸性(pH 因此,综合本研究结果,赣南脐橙园应重视施用石灰,提高土壤pH值,减少锌流失,同时要重视有机肥和锌肥施用,以满足脐橙生长结果所需。4结论赣南脐橙园背景土壤酸性强、有机质含量普遍较低;与背景土壤相比,农化土壤酸化明显,有机质含量有所升高,有机质不足的果园仍有很大
2、比例;背景土壤有效锌不足的果园达77.3%,农化土壤有效锌含量有所升高,但仍有58.1%果园农化土壤有效锌不足;土壤pH值、有机质含量与土壤有效锌含量呈极显著正相关。致谢:江西省赣州市果业局和赣州市16县(市、区)果业局为本研究土壤样品采集付出了艰辛劳动,在此深表谢意。参考文献References:[1]WOLFGANGM.Molecularaspectsofhumancellularzinchomeostasis:redoxcontrolofzinc7protentialsandzincsignals[J].Biomet
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