安国市耕地土壤养分分布特征分析 |
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引用本文: | 李树强,王红,张瑞芳,赵斌. 安国市耕地土壤养分分布特征分析[J]. 安徽农业科学, 2011, 39(36): 22401-22402,22915 |
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作者姓名: | 李树强 王红 张瑞芳 赵斌 |
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作者单位: | 1. 河北省安国市农业局,河北安国,071200 2. 河北农业大学山区研究所//国家北方山区农业工程技术研究中心,河北保定,071001 3. 河北农业大学河北省生物无机化学重点实验室,河北保定,071001 |
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基金项目: | 国家测土配方施肥补贴项目 |
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摘 要: | 为了解安国市土壤养分状况,采集了安国市7900份土壤样品,并利用统计学方法对其养分含量进行了研究。结果表明:安国市耕地土壤有机质平均含量达到14.38g/kg,与1980年调查数据相比呈现出明显的上升趋势;全市碱解氮含量平均为84.8mg,/kg,与1980年调查数据相比增加极为显著;全市有效磷、速效钾含量也均有显著提高;全市大部分地区的微量元素如铁、铜、锌、锰都在中等以上水平。
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关 键 词: | 耕地 土壤养分 分布特征 |
Analysis on Distribution Characteristics of Soil Nutrients in Cultivated Land of Anguo City |
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Affiliation: | LI Shu-qiang et al (Anguo Agricultural Bureau,Anguo,Hebei 071200) |
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Abstract: | In order to understand the characteristics of soil nutrients in Anguo,a total of 7 900 soil samples were collected to determine nutrients contents by the method of statistics.The results showed that the content of soil organic matter were 14.38 g/kg in Anguo,which turned a rising trend compared with the data from 1980.The nitrogen content was 84.8 mg/kg,which was increased obviously.The contents of available P and available K were increased significantly.In the most areas of Anguo,the contents of micronutrient Fe,Cu,Zn and Mn were above the moderate level. |
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Keywords: | Cultivated land Soil nutrients Distribution characteristics |
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