Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

HAN Jichang; XIE Jiancang; ZHANG Yang

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Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

HAN Jichang, XIE Jiancang, ZHANG Yang

文章导航 > Chinese Geographical Science > 2012 > 22(5): 550-555

HAN Jichang, XIE Jiancang, ZHANG Yang. Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China[J]. 中国地理科学, 2012, 22(5): 550-555.

引用本文:

HAN Jichang, XIE Jiancang, ZHANG Yang. Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China[J]. 中国地理科学, 2012, 22(5): 550-555.

HAN Jichang, XIE Jiancang, ZHANG Yang. Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China[J]. Chinese Geographical Science, 2012, 22(5): 550-555.

Citation:

HAN Jichang, XIE Jiancang, ZHANG Yang. Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China[J]. Chinese Geographical Science, 2012, 22(5): 550-555.

Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

(1. Shaanxi Province Real Estate Development Corporation, Xi′an 710075, China; 2. Key Laboratory of Degraded and Unused Land Consolidation Engineering, the Ministry of Land and Resources of China, Xi′an 710075, China;
3.
Engineering Research Center for Land Consolidation of Shaanxi Province, Xi′an 710075, China)

Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

(1. Shaanxi Province Real Estate Development Corporation, Xi′an 710075, China; 2. Key Laboratory of Degraded and Unused Land Consolidation Engineering, the Ministry of Land and Resources of China, Xi′an 710075, China;
3.
Engineering Research Center for Land Consolidation of Shaanxi Province, Xi′an 710075, China)

摘要: This paper analyzed the water-retention mechanism of feldspathic sandstone (fine- (< 1 mm diam.) and gravel-sized (2–3 cm
diam.) in Mu Us Sandy Land, Northwest China. The objective of this study is to study the effect of feldspathic sandstone amendment on
water retention in sandy land. The results showed that as the proportion of fine feldspathic sandstone in the sandy land soil increased,
the soil texture changed from sand to silt loam, the capillary porosity gradually increased from 26.3% to 44.9%, and the soil saturated
hydraulic conductivity decreased from 7.10 mm/min to 0.07 mm/min. Feldspathic sandstone gravel formed micro-reservoirs in the sandy
land soil, playing the role of a ′water absorbent′ and ′water retaining agent′ in sandy land. Amendment with feldspathic sandstone can
increase water retention in the arable layer of sandy land by 67%. This study provides a theoretical basis for the amelioration of sandy
land on a large scale. It can be concluded that amendment with feldspathic sandstone can improve the physical properties of sandy land
soil and increase soil water retention.
- feldspathic sandstone /
- sandy land soil /
- water retaining agent /
- Mu Us Sandy Land /
- soil saturatd hydraulic conductivity
Abstract: This paper analyzed the water-retention mechanism of feldspathic sandstone (fine- (< 1 mm diam.) and gravel-sized (2–3 cm
diam.) in Mu Us Sandy Land, Northwest China. The objective of this study is to study the effect of feldspathic sandstone amendment on
water retention in sandy land. The results showed that as the proportion of fine feldspathic sandstone in the sandy land soil increased,
the soil texture changed from sand to silt loam, the capillary porosity gradually increased from 26.3% to 44.9%, and the soil saturated
hydraulic conductivity decreased from 7.10 mm/min to 0.07 mm/min. Feldspathic sandstone gravel formed micro-reservoirs in the sandy
land soil, playing the role of a ′water absorbent′ and ′water retaining agent′ in sandy land. Amendment with feldspathic sandstone can
increase water retention in the arable layer of sandy land by 67%. This study provides a theoretical basis for the amelioration of sandy
land on a large scale. It can be concluded that amendment with feldspathic sandstone can improve the physical properties of sandy land
soil and increase soil water retention.
- feldspathic sandstone /
- sandy land soil /
- water retaining agent /
- Mu Us Sandy Land /
- soil saturatd hydraulic conductivity

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Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

(1. Shaanxi Province Real Estate Development Corporation, Xi′an 710075, China; 2. Key Laboratory of Degraded and Unused Land Consolidation Engineering, the Ministry of Land and Resources of China, Xi′an 710075, China;

3. Engineering Research Center for Land Consolidation of Shaanxi Province, Xi′an 710075, China)

刊出日期: 2012-10-05

关键词:

feldspathic sandstone /

sandy land soil /

water retaining agent /

Mu Us Sandy Land /

soil saturatd hydraulic conductivity

摘要: This paper analyzed the water-retention mechanism of feldspathic sandstone (fine- (< 1 mm diam.) and gravel-sized (2–3 cm
diam.) in Mu Us Sandy Land, Northwest China. The objective of this study is to study the effect of feldspathic sandstone amendment on
water retention in sandy land. The results showed that as the proportion of fine feldspathic sandstone in the sandy land soil increased,
the soil texture changed from sand to silt loam, the capillary porosity gradually increased from 26.3% to 44.9%, and the soil saturated
hydraulic conductivity decreased from 7.10 mm/min to 0.07 mm/min. Feldspathic sandstone gravel formed micro-reservoirs in the sandy
land soil, playing the role of a ′water absorbent′ and ′water retaining agent′ in sandy land. Amendment with feldspathic sandstone can
increase water retention in the arable layer of sandy land by 67%. This study provides a theoretical basis for the amelioration of sandy
land on a large scale. It can be concluded that amendment with feldspathic sandstone can improve the physical properties of sandy land
soil and increase soil water retention.

English Abstract

Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

(1. Shaanxi Province Real Estate Development Corporation, Xi′an 710075, China; 2. Key Laboratory of Degraded and Unused Land Consolidation Engineering, the Ministry of Land and Resources of China, Xi′an 710075, China;

3. Engineering Research Center for Land Consolidation of Shaanxi Province, Xi′an 710075, China)

Publish Date: 2012-10-05

Keywords:

Abstract: This paper analyzed the water-retention mechanism of feldspathic sandstone (fine- (< 1 mm diam.) and gravel-sized (2–3 cm
diam.) in Mu Us Sandy Land, Northwest China. The objective of this study is to study the effect of feldspathic sandstone amendment on
water retention in sandy land. The results showed that as the proportion of fine feldspathic sandstone in the sandy land soil increased,
the soil texture changed from sand to silt loam, the capillary porosity gradually increased from 26.3% to 44.9%, and the soil saturated
hydraulic conductivity decreased from 7.10 mm/min to 0.07 mm/min. Feldspathic sandstone gravel formed micro-reservoirs in the sandy
land soil, playing the role of a ′water absorbent′ and ′water retaining agent′ in sandy land. Amendment with feldspathic sandstone can
increase water retention in the arable layer of sandy land by 67%. This study provides a theoretical basis for the amelioration of sandy
land on a large scale. It can be concluded that amendment with feldspathic sandstone can improve the physical properties of sandy land
soil and increase soil water retention.

HAN Jichang, XIE Jiancang, ZHANG Yang. Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China[J]. 中国地理科学, 2012, 22(5): 550-555.

引用本文:

HAN Jichang, XIE Jiancang, ZHANG Yang. Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China[J]. 中国地理科学, 2012, 22(5): 550-555.

Citation:

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Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

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Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

English Abstract

Potential Role of Feldspathic Sandstone as a Natural Water Retaining Agent in Mu Us Sandy Land, Northwest China

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