IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

LI Xiu-jun; CUI Xiang-hao; LI Qu-sheng

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IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng

文章导航 > Chinese Geographical Science > 2005 > 15(1): 64-69

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. 中国地理科学, 2005, 15(1): 64-69.

引用本文:

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. 中国地理科学, 2005, 15(1): 64-69.

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. Chinese Geographical Science, 2005, 15(1): 64-69.

Citation:

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. Chinese Geographical Science, 2005, 15(1): 64-69.

IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

1.
Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, P. R. China;
2.
Chemistry Department, Jilin University, Changchun 130023, P. R. China

基金项目: Under the auspices of the of Ministry of Science and Technology of China(No.2001BA508B05)

详细信息

作者简介:
LI Xiu-jun(1964- ),male,a native of Beipiao of Liaoning Province,associate professor,specialized in regional agricul-tore development.E-mail:lixiujun@neigae.ac.cn.

中图分类号: S156.92

IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

1.
Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, P. R. China;
2.
Chemistry Department, Jilin University, Changchun 130023, P. R. China

摘要: Water-conserving membrane is a new material of improving sandy soil. It is based on the rule that a compound with organic and inorganic components can produce colloid after its integrating with Ca²⁺ in soil. The water-conserving membrane will obstruct capillary and increase viscidity of sandy soil, so as to decrease leakage and evaporation in sandy soil. The water-conserving membrane contains polyacrylic acid(PAA)and bentonite. When PAA concentration and pH of solution are different, water-conserving membrane can be made in different depth of soil. This experiment shows that the solution with 0.2% PAA does not harm and poison the crops, on the contrary, promotes crop germination. The solution with 0.2% or 0.4% PAA can accelerate corn growth. Accordingly, different crops need the application of the different PAA concentrations in the cultivation. Therefore, on the basis of different vadose coefficient in sandy soil, the solution with different PAA concentration can improve sandy soil and increase its water-conserving competence very well. The solution can be used to improve sandy soil and control desert enlargement in arid, semi-arid and semi-humid areas.
- water-conserving membrane /
- water-conserving capability /
- germination rate /
- crops
Abstract: Water-conserving membrane is a new material of improving sandy soil. It is based on the rule that a compound with organic and inorganic components can produce colloid after its integrating with Ca²⁺ in soil. The water-conserving membrane will obstruct capillary and increase viscidity of sandy soil, so as to decrease leakage and evaporation in sandy soil. The water-conserving membrane contains polyacrylic acid(PAA)and bentonite. When PAA concentration and pH of solution are different, water-conserving membrane can be made in different depth of soil. This experiment shows that the solution with 0.2% PAA does not harm and poison the crops, on the contrary, promotes crop germination. The solution with 0.2% or 0.4% PAA can accelerate corn growth. Accordingly, different crops need the application of the different PAA concentrations in the cultivation. Therefore, on the basis of different vadose coefficient in sandy soil, the solution with different PAA concentration can improve sandy soil and increase its water-conserving competence very well. The solution can be used to improve sandy soil and control desert enlargement in arid, semi-arid and semi-humid areas.
- water-conserving membrane /
- water-conserving capability /
- germination rate /
- crops

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IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

1. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, P. R. China;

2. Chemistry Department, Jilin University, Changchun 130023, P. R. China

基金项目: Under the auspices of the of Ministry of Science and Technology of China(No.2001BA508B05)

作者简介:
LI Xiu-jun(1964- ),male,a native of Beipiao of Liaoning Province,associate professor,specialized in regional agricul-tore development.E-mail:lixiujun@neigae.ac.cn.

收稿日期: 2004-09-20
刊出日期: 2005-03-20

中图分类号: S156.92

关键词:

water-conserving membrane /

water-conserving capability /

germination rate /

crops

摘要: Water-conserving membrane is a new material of improving sandy soil. It is based on the rule that a compound with organic and inorganic components can produce colloid after its integrating with Ca²⁺ in soil. The water-conserving membrane will obstruct capillary and increase viscidity of sandy soil, so as to decrease leakage and evaporation in sandy soil. The water-conserving membrane contains polyacrylic acid(PAA)and bentonite. When PAA concentration and pH of solution are different, water-conserving membrane can be made in different depth of soil. This experiment shows that the solution with 0.2% PAA does not harm and poison the crops, on the contrary, promotes crop germination. The solution with 0.2% or 0.4% PAA can accelerate corn growth. Accordingly, different crops need the application of the different PAA concentrations in the cultivation. Therefore, on the basis of different vadose coefficient in sandy soil, the solution with different PAA concentration can improve sandy soil and increase its water-conserving competence very well. The solution can be used to improve sandy soil and control desert enlargement in arid, semi-arid and semi-humid areas.

English Abstract

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. 中国地理科学, 2005, 15(1): 64-69.

引用本文:

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. 中国地理科学, 2005, 15(1): 64-69.

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. Chinese Geographical Science, 2005, 15(1): 64-69.

Citation:

LI Xiu-jun, CUI Xiang-hao, LI Qu-sheng. IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH[J]. Chinese Geographical Science, 2005, 15(1): 64-69.

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IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

作者简介: LI Xiu-jun(1964- ),male,a native of Beipiao of Liaoning Province,associate professor,specialized in regional agricul-tore development.E-mail:lixiujun@neigae.ac.cn.

IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

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IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

1. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, P. R. China; 2. Chemistry Department, Jilin University, Changchun 130023, P. R. China

作者简介: LI Xiu-jun(1964- ),male,a native of Beipiao of Liaoning Province,associate professor,specialized in regional agricul-tore development.E-mail:lixiujun@neigae.ac.cn.

English Abstract

IMPROVEMENT OF SANDY SOIL WITH WATER-CONSERVING MEMBRANE AND ITS EFFECT ON CROP GROWTH

1. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, P. R. China; 2. Chemistry Department, Jilin University, Changchun 130023, P. R. China

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目录

作者简介:
LI Xiu-jun(1964- ),male,a native of Beipiao of Liaoning Province,associate professor,specialized in regional agricul-tore development.E-mail:lixiujun@neigae.ac.cn.

1. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, P. R. China;

2. Chemistry Department, Jilin University, Changchun 130023, P. R. China

作者简介:
LI Xiu-jun(1964- ),male,a native of Beipiao of Liaoning Province,associate professor,specialized in regional agricul-tore development.E-mail:lixiujun@neigae.ac.cn.

1. Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012, P. R. China;

2. Chemistry Department, Jilin University, Changchun 130023, P. R. China