| 应用数学模型模拟中国白浆土的磷素特征 |
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| 引用本文： | 韩晓增,宋春雨,王守宇,乔云发,唐才贤.应用数学模型模拟中国白浆土的磷素特征[J].农业系统科学与综合研究,2004,20(3):189-192. |
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| 作者姓名： | 韩晓增 宋春雨 王守宇 乔云发 唐才贤 |
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| 作者单位： | 中国科学院,东北地理与农业生态研究所,黑龙江,哈尔滨,150040 |
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| 基金项目： | 中国科学院知识创新工程项目(KZCX1-SW-19-2-3)，中国科学院百人计划项目 |
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| 摘 要： | 在中国东北黑龙江和吉林两省的具有代表性的4个白浆土区取12个土样,采用JFHaseman等人的方法研究了无机磷的吸附。结果表明,在不同平衡液中白浆土磷的等温吸附曲线与Langmuir吸附等温的公式拟和良好;应用Cooke方法和经验(P=Rt B)公式描述了白浆土磷素释放特征,证明了磷素释放速率与速效磷含量、有机质含量、生物百分比产量呈显著正相关,相关系数可达0 992 、0 935 、0 999。图3,表3,参7。
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| 关 键 词： | 中国白浆土 磷素 吸附 释放 数学模型 |
| 文章编号： | 1001-0068(2004)03-0189-04 |
| 修稿时间： | 2003年10月31 |
The study on the feature of phosphorus in bleached baijiang soil in China using mathematical model |
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| HAN Xiao-zeng,SONG Chun-yu,WANG Shou-yu,QIAO Yun-fa,TANG Cai-xian.The study on the feature of phosphorus in bleached baijiang soil in China using mathematical model[J].System Sciemces and Comprehensive Studies In Agriculture,2004,20(3):189-192. |
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| Authors: | HAN Xiao-zeng SONG Chun-yu WANG Shou-yu QIAO Yun-fa TANG Cai-xian |
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| Abstract: | Twelve samples were taken from four regions of typical bleached baijiang soil in Jilin and Heilongjiang provinces, northeastern China. The methods of J F Haseman were adopted to evaluated the adsorption of inorganic phosphors. The results showed that curves of isothermal adsorption in different balanced solutions have a similar trend with the Langmuir adsorption equation. The nature of P release in bleached baijiang soil is characterized by Cooke method and empirical formula(P=Rt B).The results showed that there are a positive correlation between P-release and available P content, organic matter content, and ratio of biomass (r=0.992, 0.910~(**) and 0.935~(**) respectively). |
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| Keywords: | bleached baijiang soil phosphorus adsorption release mathematical model |
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