Li Wenqing.A Relationship between Soil Moisture of Red Soil and Its Physical Properties[J].Research of Soil and Water Conservation,1995,2(01):15-17,22.
红壤的水分状况及其与物理性质的关系
- Title:
- A Relationship between Soil Moisture of Red Soil and Its Physical Properties
- Keywords:
- red soil; soil moisture; physical properties; hinder soil lay
- 摘要:
- 该文对发育于第四纪红色粘土上不同利用方式的红壤水分状况与物理性质作了初步研究。结果表明，无论是自然土壤还是开垦之后的旱地、林地，都存在一个阻碍水分下渗的障碍土层，使土壤在雨季的蓄水能力明显减弱，而且每种利用方式的土壤中毛管孔隙的量都很少，毛管孔隙与无效孔隙的比例不到1:1，又致使红壤在旱季供水能力极差。针对上述情况，提出了一些合理的抗旱措施。
- Abstract:
- Soil moisture situation of red soil which was developed in the Quaternary red clay and its physical properties under different utilization ways have been preliminarily studied. It was resulted that there were all a hinder soil lay that hinderes infiltration of soil water no matter what is in physical soil or in reclaiming soil with dryland as well as forestry land. And that diminished the water-holding capacity of the soil in rainfall reason. Therefore, there were very little pore volumes of soil in every utilization ways. The ratio of pores and unbenfit pores is lower than 1:1, which showes the soil have a very lower capacity of suppling water in dried reason. To above mentioned condition, some rational measures to resistance dry were proposed in this paper.
参考文献/References:
1 许绣云等. 红壤生态站土壤物理性质研究. 土壤, 1990. 22(2):60~65
2 武冠云. 不同肥力红壤的微团聚体特征. 土壤, 1986. 18(4):174~180
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备注/Memo
收稿日期:1994-6-30