نتایج جستجو برای: soil water storage

تعداد نتایج: 858449  

2009
Artur M. Banach Antoine J. M. Smits Jan G. M. Roelofs Leon P. M. Lamers

The frequency of summer flood events has strongly increased in Eastern Europe during the last decades. The creation of water storage areas to avoid flooding is often combined with the recreation of more natural and biodiverse riverine systems. This urges the need to understand the consequences of summer inundation, when microbial activity is significantly higher than during winter inundation, f...

Water loss can be minimized and conserve through constructing small storage dams for various irrigation purposes to support local livelihood. Geographic information system provides powerful techniques for many hydrological modeling and suitable dam site selection. The current study explored potential sites for small storage dams to meet agricultural requirements in district Malakand, Khyber Puk...

2018
Weixing Liu Geng Ma Chenyang Wang Jiarui Wang Hongfang Lu Shasha Li Wei Feng Yingxin Xie Dongyun Ma Guozhang Kang

Unreasonably high irrigation levels and excessive nitrogen (N) supplementation are common occurrences in the North China Plain that affect winter wheat production. Therefore, a 6-yr-long stationary field experiment was conducted to investigate the effects of irrigation and N regimes on root development and their relationship with soil water and N use in different soil layers. Compared to the no...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
B R Scanlon D G Levitt R C Reedy K E Keese M J Sully

The impact of climate variability on the water cycle in desert ecosystems is controlled by biospheric feedback at interannual to millennial timescales. This paper describes a unique field dataset from weighing lysimeters beneath nonvegetated and vegetated systems that unequivocally demonstrates the role of vegetation dynamics in controlling water cycle response to interannual climate variabilit...

2009
William J. Waugh

The U.S. Department of Energy Office of Legacy Management is investigating alternatives to conventional cover designs for uranium mill tailings. A cover constructed in 2000 near Monticello, Utah, USA, was a redundant design with a conventional low-conductivity composite cover overlain with an alternative cover designed to mimic the natural soil water balance as measured in nearby undisturbed na...

2010
G. E. Varvel W. W. Wilhelm

Soil Sci. Soc. Am. J. 74:915–921 Published online 18 Mar. 2010 doi:10.2136/sssaj2009.0362 Received 23 Sept. 2009. *Corresponding author ([email protected]). © Soil Science Society of America, 5585 Guilford Rd., Madison WI 53711 USA All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying...

2010
P. Défossez G. Richard Y-J. Cui A-M. Tang V. Chaplain

Identifying the vulnerability of soils to compaction damage becomes an increasingly important issue in the planning and execution of farming operations. Soil compaction models are efficient tools for predicting soil compaction due to agricultural field traffic. Most of these models require the knowledge of the stress/strain relationship, as well as the mechanical parameters and their variation ...

2010
P. A. Beck S. A. Gunter K. S. Lusby

1339 Soil Sci. Soc. Am. J. 74:1339–1347 Published online 2 June 2010 doi:10.2136/sssaj2009.0280 Received 29 July 2009. *Corresponding author ([email protected]). © Soil Science Society of America, 5585 Guilford Rd., Madison WI 53711 USA All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocop...

2010
Qing Zhu Henry Lin James Doolittle

1763 Soil Sci. Soc. Am. J. 74:1763–1774 Published online 4 Aug. 2010 doi:10.2136/sssaj2010.0056 Received 31 Jan. 2010. *Corresponding author ([email protected]. © Soil Science Society of America, 5585 Guilford Rd., Madison WI 53711 USA All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, re...

2010
Andrew S. Gregory Nigel R. A. Bird W. Richard Whalley Peter Matthews Iain M. Young

SSSAJ: Volume 74: Number 4 • July–August 2010 Soil Sci. Soc. Am. J. 74:1104–1112 Published online 9 Apr. 2010 doi:10.2136/sssaj2009.0278 Received 24 July 2009. *Corresponding author ([email protected]). © Soil Science Society of America, 677 S. Segoe Rd., Madison WI 53711 USA All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, ele...

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