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The results obtained indicate that sheep are able to store nitrate nitrogen in their body.
Nitrate nitrogen concentrations were found to be steadily increasing during the entire period except for 1987.
Nitrate nitrogen was the only measured solute affected by logging.
Nitrate nitrogen concentrations were found to be steadily increasing from 1975 to 1987, and then a large decrease was observed.
Because of these factors, well waters containing nitrate nitrogen should be checked periodically by local health authorities.
Nitrate nitrogen in the brooks varied from undetectable to 0.3 mg/L.
Seeds do not appear to accumulate nitrate nitrogen.
Nitrate Nitrogen: should be less than 10 ppm.
Nitrate nitrogen has been much publicised in recent years in relation to the problem of "blue babies."
• Nitrate nitrogen Which source should be sampled?
Called azobacteria, these free-living soil dwellers also make nitrate nitrogen.
Many groundwaters contain small amounts of nitrate nitrogen.
Deep sub-surface sampling is common for cotton and cereal crops to measure the nitrate nitrogen status of the profile.
In concentrations as low as 10 to 30 mg/l nitrate nitrogen may cause illness and even death among infants under six months of age.
Blue-green algae of the type that thrive in rice paddies also manufacture nitrate nitrogen.
Dwarf white clover can produce all the nitrate nitrogen that grasses need to stay green and grow lustily.
PC3, driven by soluble reactive phosphorus and nitrate nitrogen concentration in the water, was not correlated with land use.
Nitrate nitrogen practically disappears from the soil because microbes need nitrogen to build their tissues.
The most important of these nutrients is nitrate nitrogen, thus soil scientists may call humus decomposition "nitrification."
And nitrogen, unavailably held in organic matter, is altered to soluble nitrate nitrogen.
Nitrogen removal from water containing high nitrate nitrogen in a paddy field (wetland).
Interpretation and value of soil nitrate nitrogen at depth. 8th Australian Agronomy Conference, 478-481.
That is because nitrate nitrogen, the key to constructing all protein, is usually the main factor limiting the population of soil microorganisms.
Once the C/N had dropped sufficiently, the material was promptly incorporated into the soil where nitrate nitrogen will be best preserved.
Azobacteria, that can fix nitrate nitrogen in mellowing compost piles, depend for their activity on the availability of calcium.