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当前位置: 首页 > 文章 > 攀西杧果园土壤pH值与有效养分的相关性研究 中国南方果树 2011,40 (4) 14-18
Position: Home > Articles > Correlation Between Soil pH and the Contents of Available Nutrients in Selected Soils from Mango Orchards in Panxi South China Fruits 2011,40 (4) 14-18

攀西杧果园土壤pH值与有效养分的相关性研究

作  者：
甲卡拉铁;李桂珍;尧美英;朱俐遐
单  位：
四川省攀枝花市农林科学研究院
关键词：
攀西;杧果园;土壤pH值;有效养分;相关性
摘  要：
采集攀西杧果主产区果园土壤样本42份,探讨土壤pH值、有效养分状况及两者的相关性。结果表明,攀西杧果园土壤pH值范围为4.8~8.4,中性、酸性土壤占76.2%。果园土壤有机质、碱解氮、交换性钙和有效锌表现为严重缺乏状态,有效铜和硼整体处于低水平,有效钾含量为中下水平,而有效磷、交换性镁、有效硫、有效铁和有效锰5种元素的含量较为丰富。土壤pH值与有机质、碱解氮、有效钾、有效铜、有效锌、有效铁、有效锰呈极显著负相关,与交换性钙、有效硫呈极显著正相关,与有效性磷、有效硼、有效钼的相关性不显著。土壤pH值与有机质符合幂函数,与碱解氮、有效锌、有效硫呈线性相关,与有效钾、交换性钙、有效铜、有效铁、有效锰则符合指数函数,与交换性镁则符合二次函数,各相关系数均达极显著水平。
译  名：
Correlation Between Soil pH and the Contents of Available Nutrients in Selected Soils from Mango Orchards in Panxi
作  者：
JIAKA La-tie,LI Gui-Zhen,YAO Mei-Ying,ZHU Li-Xia(Academy of Agriculture and Forestry Sciences of PanZhihua City,PanZhihua 617061,China)
关键词：
Panxi;mango orchard;soil pH value;available nutrients;correlation
摘  要：
42 soil samples were collected in Panxi mango orchards to evaluate the correlation between soil pH value and available nutrients.Results revealed that the soil pH values of the mango orchards ranged from 4.8 to 8.4,and that the neutral and acidic soils accounted for 76.2%.The contents of soil organic matter,available nitrogen,zinc and exchangeable calcium were extremely low,and the available copper and boron were low.Available potassium was at middle level while available phosphorus,sulfur,iron,manganese and exchangeable magnesium were rich.Soil pH values were highly significantly correlated with the available levels of most nutrients.A high significant negative correlation was found between soil pH values and the contents of soil organic matters,available nitrogen,potassium,copper,zinc,iron and manganese.A high significant positive correlation was shown between soil pH values and available sulfur,exchangeable calcium.No significant correlation existed between soil pH values and available phosphorus,boron and molybdenum.Regression analysis showed that a power function,a linear function,an exponential function and a quadratic function could be used to describe the relationships between soil pH and the contents of organic matter,the contents of available nitrogen,zinc,sulfur,the contents of potassium,copper,iron,manganese,and the contents of exchangeable magnesium,respectively.All correlation coefficients were statistically highly significant.

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