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1、贛南臍橙園土壤有效鋅含量狀況探究 摘要:【目的】為了解贛南臍橙園土壤有效鋅含量狀況,【方法】在贛南16縣隨機(jī)選取446個(gè)臍橙園,分析土壤農(nóng)化樣和背景樣有效鋅含量、pH值、有機(jī)質(zhì)含量等?!窘Y(jié)果】贛南臍橙園背景樣和農(nóng)化樣土壤分別有80.78%和90.87%為酸性(pH 因此,綜合本研究結(jié)果,贛南臍橙園應(yīng)重視施用石灰,提高土壤pH值,減少鋅流失,同時(shí)要重視有機(jī)肥和鋅肥施用,以滿足臍橙生長結(jié)果所需。4結(jié)論贛南臍橙園背景土壤酸性強(qiáng)、有機(jī)質(zhì)含量普遍較低;與背景土壤相比,農(nóng)化土壤酸化明顯,有機(jī)質(zhì)含量有所升高,有機(jī)質(zhì)不足的果園仍有很大
2、比例;背景土壤有效鋅不足的果園達(dá)77.3%,農(nóng)化土壤有效鋅含量有所升高,但仍有58.1%果園農(nóng)化土壤有效鋅不足;土壤pH值、有機(jī)質(zhì)含量與土壤有效鋅含量呈極顯著正相關(guān)。致謝:江西省贛州市果業(yè)局和贛州市16縣(市、區(qū))果業(yè)局為本研究土壤樣品采集付出了艱辛勞動,在此深表謝意。參考文獻(xiàn)References:[1]WOLFGANGM.Molecularaspectsofhumancellularzinchomeostasis:redoxcontrolofzinc7protentialsandzincsignals[J].Biomet
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