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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >Investigation of Chlorosis in Peach Trees Growing in the Tokat Region Using Soil and Plant Analysis and the Effects of Soil Moisture on the Determination of the Amounts of DTPA-exractable Fe, Cu, Zn and Mn
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Investigation of Chlorosis in Peach Trees Growing in the Tokat Region Using Soil and Plant Analysis and the Effects of Soil Moisture on the Determination of the Amounts of DTPA-exractable Fe, Cu, Zn and Mn

机译：用土壤和植物分析调查托卡特地区桃树中的绿化作用以及土壤水分对确定DTPA可萃取铁，铜，锌和锰含量的影响

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The aim of this study was the fertility analysis of soil and leaf samples collected from areas under ohlorotic and healty peach trees, and the determination of the periodical relationship between the soil properties and nutrition status of trees. The effects of soil moisture on the amounts of DTPA-extractable Fe, Cu, Zn and Mn in soil collected from these areas were also determined by incubation study. The plant and soil analysis conducted at two different stages of the growing season showed that the active Fe content of chlorotic peach leaves was low, and there was a significant negative relationship between the HCO3 content of soil and the active Fe content of leaves. In general, the amounts of available nutrients in these soils were at satisfactory levels. Incubation study also revealed that the amount of DTPA-extractable Fe detected in soil samples while moist (on dry bases) was lower than that in air dry soil samples. Thus, the determination of available Fe amounts in air dry soil samples, especially calcareous ones, may yield misleading results.
机译：这项研究的目的是分析从水合桃和健康桃树下的地区采集的土壤和叶片样品的肥力，并确定土壤特性与树木营养状况之间的周期性关系。还通过孵化研​​究确定了土壤水分对从这些地区收集的土壤中DTPA可提取的铁，铜，锌和锰含量的影响。在生长期的两个不同阶段进行的植物和土壤分析表明，绿水蜜桃叶片的活性铁含量较低，并且土壤中的HCO3含量与叶片的活性铁含量之间存在显着的负相关关系。通常，这些土壤中的有效养分含量处于令人满意的水平。孵化研究还表明，在潮湿的土壤中（在干基上），在土壤样品中检测到的DTPA可萃取铁的含量低于在空气干燥的土壤样品中。因此，确定空气干燥土壤样品（尤其是钙质空气样品）中可用的Fe含量可能会产生误导性的结果。

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