نتایج جستجو برای: soil and water conservation

تعداد نتایج: 16979795  

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...

2014
S. Gerber L. E. Sollenberger

Soil Sci. Soc. Am. J. 78:977–986 doi:10.2136/sssaj2013.12.0523 Received 10 Dec. 2013. *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, recording, or any information storage...

2013
Chuanchuan Zhao Ninggui Yang Zhen Wang Sili Liu Xu Dong Wenrong Xin

The information of slope and vegetation coverage of the monitoring region were extracted, based on DEM (Digital Evaluation Model) and Spot5 Satellite data images, and fishnet grid was generated using GIS (Geographic Information System) and RS (Remote Sensing) technique. Applying the information of slop and vegetation coverage layers into the corresponding space grid by using the function of zon...

2012
G. A. Peterson C. R. Fenster

Soil Sci. Soc. Am. J. 76:757–765 doi:10.2136/sssaj2011.0413 Received 5 Dec. 2011. *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, recording, or any informati...

2015
Patrick G. Gardner Thomas K. Frazer Charles A. Jacoby Roy P. E. Yanong

Patrick G. Gardner*, Thomas K. Frazer, Charles A. Jacoby and Roy P. E. Yanong 1 Fisheries and Aquatic Sciences Program, School of Forest Resources and Conservation, University of Florida, Gainesville, FL, USA 2 School of Natural Resources and Environment, University of Florida, Gainesville, FL, USA 3 Soil and Water Science Department, University of Florida, Gainesville, FL, USA 4 Tropical Aquac...

2013
L. D. Estes B. A. Bradley H. Beukes D. G. Hole M. Lau M. G. Oppenheimer R. Schulze M. A. Tadross W. R. Turner

STEP Program, Woodrow Wilson School, Princeton University, Princeton, NJ 08540, USA, Environmental Conservation, University of Massachusetts, Amherst, MA 01003, USA, Institute for Soil, Climate, and Water, Agricultural Research Council, Stellenbosch 2599, South Africa, Betty and Gordon Moore Center for Ecosystem Science and Economics, Conservation International, Arlington, VA 22202, USA, School...

Journal: :اکو هیدرولوژی 0
سید علیرضا موسوی استادیار، دانشکدۀ منابع طبیعی، دانشگاه صنعتی اصفهان، اصفهان حسین ارزانی استاد، دانشکده منابع طبیعی، دانشگاه تهران، کرج

natural ecosystems provide many goods and services for human beings via their multiple functionalities. one of these important functions is the role of natural ecosystems in regulation of hydrologic cycle and increasing the infiltarion and retention of water in soil context and preventing from water runoff which may cause in unfavorable consequences like soil erosion and flooding. quantificatio...

2007
Ahmed Rafea

Crop management can be defined as the set of agricultural operations that produce the crop. Soil and water science experts, plant pathologists, entomologists, agricultural scientists, and breeders all contribute to these operations. Soil and water conservation are also important factors in crop management. It is important that reliable methods of crop management be transferred to growers in an ...

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