نتایج جستجو برای: soil science society of america journal sssaj

تعداد نتایج: 21252614  

2007
L. Cockx M. Van Meirvenne B. De Vos

SSSAJ: Volume 71: Number 4 • July–August 2007 Soil Sci. Soc. Am. J. 71:1314–1322 doi:10.2136/sssaj2006.0323 Received 12 Sept. 2006. *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, electronic or mechanical, including...

Journal: :Journal of environmental quality 2012
James A Ippolito David A Laird Warren J Busscher

Understanding and improving environmental quality by reducing soil nutrient leaching losses, reducing bioavailability of environmental contaminants, sequestering C, reducing greenhouse gas emissions, and enhancing crop productivity in highly weathered or degraded soils, has been the goal of agroecosystem researchers and producers for years. Biochar, produced by pyrolysis of biomass, may help at...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده زبانهای خارجی 1393

writing an academic article requires the researchers to provide support for their works by learning how to cite the works of others. various studies regarding the analysis of citation in m.a theses have been done, while little work has been done on comparison of citations among elt scopus journal articles, and so the dearth of research in this area demands for further investigation into citatio...

2014
Peter Baas Jacqueline E Mohan Daniel Markewitz Jennifer D Knoepp

This work was presented at the 12th North American Forest Soils Conference, Whitefish, MT, 16–20 June 2013, in the Soil Regulation of Water Quantity and Quality session. Soil Sci. Soc. Am. J. 78:S237–S247 doi:10.2136/sssaj2013.09.0380nafsc Received 1 Sept. 2013. *Corresponding author ([email protected]) © Soil Science Society of America, 5585 Guilford Rd., Madison WI 53711 USA All rights reserv...

2011
Sharon B. Gray Aimée T. Classen Paul Kardol Zhanna Yermakov R. Michael Miller

1 Soil Sci. Soc. Am. J. 75:2011 Posted online 26 Sept. 2011 doi:10.2136/sssaj2011.0135 Received 14 Apr. 2011. *Corresponding author ([email protected]). Supplementary material available online. © 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 me...

2012
Upendra M. Sainju Thecan Caesar-TonThat Andrew W. Lenssen Joy L. Barsotti

Mention of trade names or commercial products in this publication is solely for the purpose of providing specifi c information and does not imply recommendation or endorsement by USDA. The USDA is an equal opportunity employer. Soil Sci. Soc. Am. J. 76:1741–1757 doi:10.2136/sssaj2012.0076 Received 2 Mar. 2012. *Corresponding author ([email protected]). © Soil Science Society of Americ...

2014
Sabine Goldberg Donald L. Suarez

Contribution from USDA-ARS, U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507. Soil Sci. Soc. Am. J.78:480–485 doi:10.2136/sssaj2013.09.0404 Received 19 Sep. 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 ...

2010
Alan J. Franzluebbers

347 Soil Sci. Soc. Am. J. 74:347–357 Published online 8 Jan. 2010 doi:10.2136/sssaj2009.0079 Received 26 Feb. 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, electronic or mechanical, including phot...

2010
Richard W. Van Klaveren Donald K. McCool

1327 Soil Sci. Soc. Am. J. 74:1327–1338 Published online 21 May 2010 doi:10.2136/sssaj2009.0360 Mention of trade names does not imply endorsement by the USDA. Received 21 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 b...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند 1390

هدف پژوهش حاضر، تحلیل استنادی پایان نامه های دانشجویان کارشناسی ارشد رشته های علوم پایه دانشگاه بیرجند از ابتدا تا پایان سال 1388 است. پژوهش از نوع کاربردی و با استفاده از روش تحلیل استنادی انجام گرفته است. روش های آماری این پژوهش، از نوع توصیفی(جداول و درصد فراوانی) و استنباطی(ضریب همبستگی پیرسون) می باشد. نتایج نشان داد میانگین استنادها در پایان نامه های چهار گرایش رشته شیمی، 74 استناد است. ه...

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