Hydrogel’s role in retention of nutrients in soil

MA Huan-cheng; LUO Zhi-bin; CHEN Yi-qun; LIN Wen-jie

Volume 21 Issue 4

Jul. 2017

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Article Navigation > Journal of Zhejiang A&F University > 2004 > 21(4): 404-407

MA Huan-cheng, LUO Zhi-bin, CHEN Yi-qun, LIN Wen-jie. Hydrogel’s role in retention of nutrients in soil[J]. Journal of Zhejiang A&F University, 2004, 21(4): 404-407.

Citation:

MA Huan-cheng, LUO Zhi-bin, CHEN Yi-qun, LIN Wen-jie. Hydrogel’s role in retention of nutrients in soil[J]. Journal of Zhejiang A&F University, 2004, 21(4): 404-407.

Hydrogel’s role in retention of nutrients in soil

1.
Institute of Ecological Engineering , Southwest Forestry College , Kunming 650224 , Yunnan, China

Funds:

中国德国合作项目; 云南省昆明市科学技术局资助项目(200201007)

Received Date: 2004-04-06
Rev Recd Date: 2004-06-15
Publish Date: 2004-12-20

Abstract

The hydrogel is a super absorbent macromolecule compound that can absorb pure water up to hundred or thousand times of its dead weight .Since the hydrogel can absorb water in the rainy season and slowly release water for plant use in dry season , it can help plants to survive under dry condition and increase the survival rate of afforestation .So far , most studies of hydrogel are on the properties of water retention , there are few reports on its nutrients retention properties .Data in the field trials and greenhouse experiments showed the hydrogel could significantly decrease the loss of nitrogen and potassium.The loss of nitrogen of Sequoia sempervirens and Alnus ferdinandi var .coburgii decreased by 23.8 %-65.2 % and that of potassium aecreased by 19.8 % -86.2 % compared to the controlled group .When the added nutrients were kept in a fixed quantity , the loss of nutrients decreased with the increase of hydrogel .The field trials showed the hydrogel application increased the contents of potential nitrogen by 133.1 %-295.8 %, phosphorus by 10.4 %-43.2 % and potassium by 124.2 %-220.3 % in the forest soil .Thus , we can conclude that application of hydrogel improves not only the soil moisture condition but also the nutrients status through decreased nutrient leaching .[ Ch , 2 tab .11 ref .]
- hydrogel,
- soil nutrients,
- retention,
- field test

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Hydrogel’s role in retention of nutrients in soil

1. Institute of Ecological Engineering , Southwest Forestry College , Kunming 650224 , Yunnan, China

Funds:

中国德国合作项目; 云南省昆明市科学技术局资助项目(200201007)

Received Date: 2004-04-06

Rev Recd Date: 2004-06-15

Publish Date: 2004-12-20

Key words:

Abstract: The hydrogel is a super absorbent macromolecule compound that can absorb pure water up to hundred or thousand times of its dead weight .Since the hydrogel can absorb water in the rainy season and slowly release water for plant use in dry season , it can help plants to survive under dry condition and increase the survival rate of afforestation .So far , most studies of hydrogel are on the properties of water retention , there are few reports on its nutrients retention properties .Data in the field trials and greenhouse experiments showed the hydrogel could significantly decrease the loss of nitrogen and potassium.The loss of nitrogen of Sequoia sempervirens and Alnus ferdinandi var .coburgii decreased by 23.8 %-65.2 % and that of potassium aecreased by 19.8 % -86.2 % compared to the controlled group .When the added nutrients were kept in a fixed quantity , the loss of nutrients decreased with the increase of hydrogel .The field trials showed the hydrogel application increased the contents of potential nitrogen by 133.1 %-295.8 %, phosphorus by 10.4 %-43.2 % and potassium by 124.2 %-220.3 % in the forest soil .Thus , we can conclude that application of hydrogel improves not only the soil moisture condition but also the nutrients status through decreased nutrient leaching .[ Ch , 2 tab .11 ref .]

Hydrogel’s role in retention of nutrients in soil

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views