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The effects of soil copper content and iron application on peanut (Arachis hypogaea): copper contents of plants.

机译:土壤铜含量和铁含量对花生的影响:植物中的铜含量。

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摘要

In this study, the effects of Fe application on Cu and Mn contents of soil, leaves and grain of peanut were investigated. This experiment was established in 2006 and 2007, four different doses of iron (0, 10, 20 and 40 kg ha-1) were applied to soil. Foliar applications of iron at the doses of 0, 1, 2 and 3 kg ha-1 were applied following the flowering period of twenty days. The copper contents of soil samples collected in 2006 ranged from 0.60 to 1.66 mg kg-1 and those of samples collected in 2007 from 0.96 to 1.46 mg kg-1. The copper contents of the majority soil samples collected in 2006 and 2007 were above the critical level which is 1.00 mg kg-1. The copper content of leaf samples in 2006 ranged from 2.00 to 8.00 mg kg-1 and in 2007 from 2.10 to 4.40 mg kg-1. The copper contents of grain samples in 2006 were between 7.00 and 15.00 mg kg-1 and in 2007 were high and ranged between 12.65 and 60.68 mg kg-1. There is negative correlation between Fe application trial and Cu contents of plants (leaf and grain samples) collected in 2006 and 2007. Correlation between Fe application trial and Cu contents of leaf and grain samples were significant at the 0.05 level.
机译:本研究研究了铁肥对花生土壤,叶片和谷物中铜和锰含量的影响。该实验建立于2006年和2007年,在土壤中施用了四种不同剂量的铁(0、10、20和40 kg ha -1 )。开花二十天后,以0、1、2和3 kg ha -1 的剂量叶面喷施铁。 2006年采集的土壤样品中的铜含量为0.60至1.66 mg kg -1 ,2007年采集的样品中的铜含量为0.96至1.46 mg kg -1 。 2006年和2007年收集的大多数土壤样品中的铜含量均高于临界水平1.00 mg kg -1 。 2006年叶片样品中的铜含量为2.00至8.00 mg kg -1 ,2007年为2.10至4.40 mg kg -1 。 2006年谷物样品中的铜含量在7.00至15.00 mg kg -1 之间,而2007年则较高,在12.65至60.68 mg kg -1 之间。 2006年和2007年收集的植物(叶片和谷粒样品)中的铁含量试验与铁含量呈负相关。叶片和谷粒样品中铁含量的试验与铁含量之间的相关性在0.05水平上具有显着性。

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