Nitrate-nitrogen leached below the root zone during and following alfalfa
Journal Article
·
· J. Environ. Qual.; (United States)
OSTI ID:6424570
The nitrate-nitrogen contribution to subsurface drainage water by irrigated alfalfa in crop rotations was evaluated. The soil-water flux and nitrate-nitrogen concentration below the root zone of alfalfa and crops following alfalfa were measured. Results indicated that considerable dentrification and/or dilution takes place at the water table interface. The contribution by alfalfa in crop rotation was estimated to equal just half of that accounted for in the subsurface drainage. (3 graphs, 13 references)
- Research Organization:
- US Science and Education Admin, Ida
- OSTI ID:
- 6424570
- Journal Information:
- J. Environ. Qual.; (United States), Journal Name: J. Environ. Qual.; (United States) Vol. 9:3; ISSN JEVQA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
510200* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
553000 -- Agriculture & Food Technology
60 APPLIED LIFE SCIENCES
ABSORPTION
ALFALFA
CONTROL
DISSOLUTION
ELEMENTS
ENVIRONMENTAL EFFECTS
ENVIRONMENTAL TRANSPORT
LAND POLLUTION CONTROL
LEACHING
LEGUMINOSAE
MASS TRANSFER
MECHANICS
NITRATES
NITROGEN
NITROGEN COMPOUNDS
NONMETALS
OXYGEN COMPOUNDS
PLANTS
POLLUTION CONTROL
ROOT ABSORPTION
SEPARATION PROCESSES
SOIL MECHANICS
SOILS
UPTAKE
WATER POLLUTION CONTROL
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
553000 -- Agriculture & Food Technology
60 APPLIED LIFE SCIENCES
ABSORPTION
ALFALFA
CONTROL
DISSOLUTION
ELEMENTS
ENVIRONMENTAL EFFECTS
ENVIRONMENTAL TRANSPORT
LAND POLLUTION CONTROL
LEACHING
LEGUMINOSAE
MASS TRANSFER
MECHANICS
NITRATES
NITROGEN
NITROGEN COMPOUNDS
NONMETALS
OXYGEN COMPOUNDS
PLANTS
POLLUTION CONTROL
ROOT ABSORPTION
SEPARATION PROCESSES
SOIL MECHANICS
SOILS
UPTAKE
WATER POLLUTION CONTROL