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土壤養(yǎng)分和小麥產(chǎn)量空間變異性與相關(guān)性分析
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    摘要:

    采用地統(tǒng)計(jì)學(xué)和偏相關(guān)分析法對(duì)江蘇省鎮(zhèn)江市丹徒區(qū)一塊試驗(yàn)田的土壤養(yǎng)分和小麥產(chǎn)量的空間變異性及相關(guān)性進(jìn)行了研究,，生成了堿解氮,、速效磷,、速效鉀含量和小麥產(chǎn)量的空間分布圖,。結(jié)果表明,，變量均近似正態(tài)分布且具有較好的空間結(jié)構(gòu)特征,。堿解氮含量與籽粒產(chǎn)量和千粒質(zhì)量的偏相關(guān)系數(shù)分別是0.569和0.5,，具有密切的相關(guān)性,；速效磷為0.069和0.284

    Abstract:

    ,；速效鉀為0.147和0.133。Spatial distributions and relationship between available nitrogen, phosphorus, potassium and wheat yield in the Dantu area of Zhenjiang were analyzed by using geo-statistics and partial correlation analysis methods. Their spatial distribution maps were generated as well. The results showed that variables are all approximately normally distributed and have good spatial structure characteristics. Available nitrogen is closely related to wheat yield and 1000-grain weight, as their partial correlation coefficients are respectively 0.569 and 0.5. However, available phosphorus and potassium have little effect on wheat yield and 1000-grain weight. For their partial correlation coefficients are respectively 0.069, 0.284 and 0.147, 0.133. 

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陳樹人,肖偉中,朱云開,王黎光.土壤養(yǎng)分和小麥產(chǎn)量空間變異性與相關(guān)性分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(10):140-143.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(10):140-143.

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