[1]QIN Miao,ZHAI Luxin,ZHOU Zhengchao.Influence of Land Use Types on Soil Saturated Hydraulic Conductivity and Water Retention in Northern Guangxi[J].Research of Soil and Water Conservation,2015,22(03):28-32,39.
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Influence of Land Use Types on Soil Saturated Hydraulic Conductivity and Water Retention in Northern Guangxi
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
22
Number of periods:
2015 03
Page number:
28-32,39
Column:
Public date:
2015-06-28
- Title:
- Influence of Land Use Types on Soil Saturated Hydraulic Conductivity and Water Retention in Northern Guangxi
- CLC:
- F301.24;S152.7
- DOI:
- -
- Abstract:
- Soil saturated hydraulic conductivity and soil field capacity can be used to characterize physical properties of soil, and are also the vital parameters describing soil water infiltration and soil water retention. In this study, the soil saturated hydraulic conductivity and soil field capacity of various land use types in the northern Guangxi areas were measured to investigate the effects of different land use types on soil saturated hydraulic conductivity and soil water retention. The results showed that the variations in soil saturated hydraulic conductivity over different land use types displayed significant differences. The soil saturated hydraulic conductivity declines sequentially in farmland, natural forestland, artificial forestland, artificial grassland and eucalyptus forestland and the error range of the soil saturated hydraulic conductivity dropped in the order of farmland, artificial forestland, artificial grassland, eucalyptus forestland and natural forestland. Furthermore, the soil field capacity is also different under the distinct conditions of the land use types. The soil field capacity in diversified land use types aligned with the set in natural forestland, eucalyptus forestland, artificial forestland, artificial grassland and farmland, of which the soil water retention of the natural forestland is even pronounced. Compared with the soil organic matter content, the soil porosity presents the more positive influence on the soil saturated hydraulic conductivity. However, the soil organic content facilitates the soil water retention under the limited conditions.
- References:
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