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2 edition of Ammonia and nitrate nitrogen transformations in semi-arid soils of northeastern Oregon found in the catalog.

Ammonia and nitrate nitrogen transformations in semi-arid soils of northeastern Oregon

Leon Joseph Damsky

Ammonia and nitrate nitrogen transformations in semi-arid soils of northeastern Oregon

by Leon Joseph Damsky

  • 306 Want to read
  • 33 Currently reading

Published .
Written in English

    Subjects:
  • Nitrogen.,
  • Bacteria, Nitrifying.,
  • Nitrification.

  • Edition Notes

    Statementby Leon Joseph Damsky.
    The Physical Object
    Pagination73 leaves, bound :
    Number of Pages73
    ID Numbers
    Open LibraryOL14292667M

    Legumes in Crop Rotations January - December TITLE: Legumes in Crop Rotations AUTHOR: Mary V. Gold Alternative Farming Systems Information Center National Agricultural Library PUBLICATION DATE: June SERIES: QB Updates QB and QB NAL Call no.: aZN3 no CONTACT: Alternative Farming Systems Information . This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.

    PROGRAM BOOK LOCAL COMMITTEE Antonio Camacho Universidad de Valencia Princeton, New Jersey, USA Cryptic pathways of microbial nitrogen transformations in the ocean Presentation Description: The major pathways of microbial N transformations have been known for more than a century. nitrate is recognized as the major inorganic N source for. Acidic atmospheric deposition continues to be a serious environmental concern. Sulfur and nitrogen oxides emitted from industrial and transportation sources, utilities, and metropolitan areas enter the atmosphere and are transformed into acidifying compounds. These pollutants are transported in the atmosphere and are removed, in part, as acidic wet deposition.

    1. Introduction. The Northern Great Plains is an area of fertile soils and high agricultural productivity, considered part of the “bread basket” of North America ().It includes agricultural regions of Canada’s three prairie provinces: Alberta, Saskatchewan, Manitoba, as well as North Dakota and parts of Montana, South Dakota, Minnesota and Iowa in the United States ().Cited by: 7. Soil and Nitrogen deficiency See more» Nitrogen fixation. Nitrogen fixation is a process by which nitrogen in the Earth's atmosphere is converted into ammonia (NH3) or other molecules available to living organisms. New!!: Soil and Nitrogen fixation See more» Nitrous oxide.


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Ammonia and nitrate nitrogen transformations in semi-arid soils of northeastern Oregon by Leon Joseph Damsky Download PDF EPUB FB2

Researchers from The University of Western Australia have challenged the current understanding about which microorganisms carry out important nitrogen transformations in semi-arid agricultural soils.

Ammonia (NH3) is an important atmospheric pollutant that threatens ecosystem and human health. Synthetic nitrogen (N) fertilizer applications are a major source of atmospheric NH3. Most of current bottom-up estimates assume that the NH3 emission response to increasing N application rates is linear, and thus constant emission factors (EFs) are by: The influx of atmospheric nitrogen to soils and surfaces in arid environments is of growing concern due to increased N emissions and N usage associated with urbanization.

Terrestrial ecosystems are predicted to experience an increasing level of atmospheric nitrogen (N) deposition, which may cause significant shifts in plant community composition and concomitantly stimulate soil acidification.

However, little is known concerning the effects of N deposition on belowground microbial communities in alpine grassland ecosystems Cited by: Plastic Mulch Stimulates Nitrogen Mineralization in Urea-Amended Soils in a Semiarid Environment Article in Agronomy journal (3) May.

The microbial processes of denitrification and dissimilatory nitrate reduction to ammonium (DNRA) are two important nitrate reducing mechanisms in soil, which are responsible for the loss of nitrate (NO 3 −) and production of the potent greenhouse gas, nitrous oxide (N 2 O).A number of factors are known to control these processes, including O 2 concentrations Cited by: Soil & Tillage Research, 7 () Elsevier Science Publishers B.V., Amsterdam -- Printed in The Netherlands NITROGEN TRANSFORMATIONS WITH SPECIAL REFERENCE TO GASEOUS N LOSSES FROM ZERO-TILLED SOILS OF SASKATCHEWAN, CANADA M.S.

AULAKH' and D.A. RENNIE Department of Soil Science, University of Saskatchewan, Cited by: lower-middle region of the São Francisco River valley in northeastern Brazil.

In this region, the fertility of soils under vineyards is generally poor. To assess the effects of organic and nitrogen fertilization on chemical properties and nitrate concentrations in an ArgissoloCited by: 3.

Nitrogen supply for cotton is critical for vegetative growth, development of fruiting sites, and yield. Considerations for the 4Rs in nitrogen management in cotton are quite different from those for corn due to differences in the growth and nitrogen uptake patterns of the plant and the soils and climates in which cotton is commonly grown.

Determination and isotope-ratio analysis of different forms of nitrogen in soils, 3: exchangeable ammonium, nitrate and nitrite by extraction-distillation methods. Soil Sci. Soc. Proc. 31 – /sssajx [ Cross Ref ]Cited by: Research into soil–plant nitrogen (N) dynamics has been carried out from the very beginnings of agricultural investigation (Russell, ).The soil–plant N cycle is composed of a large number of complex and interacting processes which transform and transport nitrogen in, out and throughout the soil–plant system ().Within the disciplines of both plant and soil science, countless Cited by: The nitrate leaching is strongly related to soil water content, soil texture and available nitrate concentration (He et al., ).

Exces- sive doses of N and/or water applied to fertigated crops involve a substantial risk of aquifer contamination by nitrate; knowledge of N cycling and availability within the soil could assist in avoid. nitrous oxide and the nitrogen cycle organic nitrogen and the nitrogen cycle ammonia and the nitrogen cycle denitrification acidic precipitation summary references for chapter 4 5.

the acid, producing particulate nitrates (Chapter 6). The nitrate ion (NOI) is the most oxidized form of nitrogen. Since nitrate is chemically unreactive in dilute aqueous solution, nearly all of the transformations involving nitrate in natural waters result from bio- chemical pathways.

higher than that expected of an arid or semi-arid re-gion because of increased soil depth, movement and accumulation of surface materials from high areas to the plain, high clay content (45–73%), too much calcareousness, and the constant rejuvenation of the plain soils.

total nitrogen stocks The total nitrogen contents were between and. Record Number: Title: Assessment, Geomorphic Definition and Documentation of Kansas Stream Corridor Reference Reaches. Journal: Federal FY EPA Wetland Protection Grant. The effluent from Stage 2 biofilters is the final effluent of a two-stage system.

Stage 2 effluents include organic nitrogen, ammonia and oxidized nitrogen (nitrate plus nitrite). For a twostage biofiltration system with effective first and second stages, effluent total nitrogen is dominated by dissolved organic nitrogen. McCauley, A. Nitrogen fixation of annual legumes in a semi-arid cropping system.

July Montana State University, Bozeman, MT. New Mexico - Research: Composted biosolids as a source of iron for hybrid poplars (Populus sp.) grown in northwest New Mexico [electronic resource].

Books and Book Chapters. Bradley, P.M., ed.,Current perspectives in contaminant hydrology and water resources sustainability: New York, InTech, p., ISBN. Response of Sea Isle Paspalum to Mowing Height and Nitrogen Fertility as a Putting Surface Under Semi Arid Conditions Agronomy Journal Norton, E.R.

and J.C. Silvertooth. Evaluation of Added Nitrogen Interaction Effects on Recovery Efficiency in Irrigated Cotton. Soil Science. (in press). Olsen, M. Full text of "A bibliography of Canadian soil science" See other formats.Nitrogen mineralization from broiler litter applied to southeastern Coastal Plain soils,JSWC.

Metolachlor metabolite (MESA) reveals agricultural nitrate-N fate and transport in Choptank River watershed,Science of the Total Environment.Coveringsquare km, the Athabasca Oil Sands deposit in Alberta is one of the largest single oil deposits in the world.

Following surface mining, companies are required to restore soil-like profiles that can support the previous land capabilities. The overall objective of this thesis was to measure, compare and understand processes underlying nitrogen cycling rates and Cited by: 1.