| Main Title |
Denitrification as affected by irrigation frequency of a field soil / |
| Author |
Rolston, Dennis Eugene, ;
Sharpley, Andrew N. ;
Toy, Dianne W. ;
Hoffman, David L. ;
Broadbent, Francis E.
|
| Other Authors |
|
| CORP Author |
California Univ., Davis. Dept. of Land, Air and Water Resources.;Robert S. Kerr Environmental Research Lab., Ada, OK. |
| Publisher |
Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Available through the National Technical Information Service. |
| Year Published |
1980 |
| Report Number |
EPA-600/2-80-066; EPA-R-805550 |
| Stock Number |
PB80-193477 |
| OCLC Number |
13603960 |
| Subjects |
Nitrification ;
Soils--Nitrogen content ;
Nitrogen fertilizers
|
| Additional Subjects |
Nitrogen cycle ;
Nitrification ;
Irrigation ;
Inorganic nitrates ;
Rates(Per time) ;
Alluvium ;
Nitrogen oxides ;
Farm crops ;
Residues ;
Fertilizers ;
Leaching ;
Gases ;
Mathematical models ;
Denitrification ;
Return flow
|
| Internet Access |
|
| Holdings |
| Library |
Call Number |
Additional Info |
Location |
Last
Modified |
Checkout
Status |
| EHAM |
TD172.E46 EPA-600/2-80-066 |
|
Region 1 Library/Boston,MA |
04/29/2016 |
| EJBD |
EPA 600-2-80-066 |
c.1 |
Headquarters Library/Washington,DC |
04/10/2014 |
| ELBD ARCHIVE |
EPA 600-2-80-066 |
Received from HQ |
AWBERC Library/Cincinnati,OH |
10/04/2023 |
| EMBD |
EPA/600/2-80/066 |
|
NRMRL/GWERD Library/Ada,OK |
02/17/1995 |
| ERAD |
EPA 600/2-80-066 |
|
Region 9 Library/San Francisco,CA |
12/27/2005 |
| NTIS |
PB80-193477 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
| Collation |
xv, 58 pages : illustrations ; 28 cm. |
| Abstract |
The influence of irrigation frequency on denitrification was studied on a Yolo loam field profile at Davis, California. Two carbon treatments were also established by using plots with and without incorporated crop residues. Irrigation frequencies of three irrigations per week, one irrigation per week, and one irrigation every two weeks were established on areas cropped with grass. Fertilizer was applied as KNO3 enriched with 15N to 1-sq m plots. Denitrification from the least frequently irrigated treatments was less than that in the most frequently irrigated treatments. Denitrification of NO3(-) fertilizer was simulated using a mathematical model that included transport and plant uptake of water and nitrogen in soil. |
| Notes |
Includes bibliographical references (pages 55-56). Prepared by University of California, Davis, Department of Land, Air, and Water Resources, for U.S. Environmental Protection Agency, Office of Research and Development, Robert S. Kerr Environmental Research Laboratory, under grant no. Contract Number: R-805550. |
