| 有机肥对紫色土容重及孔隙度的影响 |
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| 引用本文： | 李纯华.有机肥对紫色土容重及孔隙度的影响[J].西南科技大学学报(哲学社会科学版),2000,17(2). |
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| 作者姓名： | 李纯华 |
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| 作者单位： | 绵阳经济技术高等专科学校!绵阳621000 |
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| 摘 要： | 用 3种常见的有机肥 (半干牛粪、半腐熟堆肥、生活垃圾 )及细砂土进行了改变板结的石灰性紫色土的容重和孔隙度的田间试验。结果表明 :3种有机肥和细砂土都能明显降低土壤容重 ,增加土壤孔隙度 ,使土壤疏松。堆肥处理效果最佳 ,细砂土处理效果最差
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| 关 键 词： | 有机肥 紫色土 土壤容重 孔隙度 |
Influence of Organic Fertilizers on Soil Bulk Density and Porosity of Purplish Soil |
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| Li Chunhua.Influence of Organic Fertilizers on Soil Bulk Density and Porosity of Purplish Soil[J].Journal of Southwest University of Science and Technology,2000,17(2). |
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| Authors: | Li Chunhua |
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| Abstract: | The field experiment on the influence of three kinds of common organic fertilizers,ie.cow dung,compost and garbage,and fine sand upon soil bulk density and porosity of calcareous purplish soil was carried out .The result indicated that the three organic fertilizers and fine sand could reduce soil bulk density,increase porosity and loosen the soil obviously , respectively. |
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| Keywords: | organic fertilizer purplish soil soil bulk density porosity |
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