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Saturday, August 1, 2020 | History

4 edition of Accumulation of nitrate. found in the catalog.

Accumulation of nitrate.

by National Research Council (U.S.). Committee on Nitrate Accumulation.

  • 336 Want to read
  • 18 Currently reading

Published by National Academy of Sciences in Washington .
Written in English

    Subjects:
  • Nitrates -- Physiological effect.,
  • Plants, Effect of nitrates on.,
  • Nitrates -- Toxicology.

  • Edition Notes

    Bibliography: p. 95-106.

    Classifications
    LC ClassificationsQH545.N5 N37
    The Physical Object
    Paginationvii, 106 p.
    Number of Pages106
    ID Numbers
    Open LibraryOL5302218M
    ISBN 100309020387
    LC Control Number72084111

    NITRATE TOXICITY The primary nutrient form of nitrogen in most soils is nitrate which is a normal compound found in many plants. It can be found normally in various grazing and forage crops, soil, and water. Under certain circumstances, nitrates can accumulate to abnormally high levels and become very toxic to ruminants. To evaluate the process of nitrate accumulation and leaching in surface and ground water, we conducted simulated rainfall experiments. The experiments were performed in areas of m2 with bare slopes of 3° that were treated with two nitrogen fertilizer inputs, high ( g/m2 NH4NO3) and control (no fertilizer), and subjected to 2 hours of rainfall, with.

    The nitrate form is negatively charged, and as a consequence, is not held to the clay particles in the soil. The ammonium form matter accumulation. During the early growth stages following emergence, grain sorghum will take up no more than 5% of their total seasonal N needs. Still, N is important to get seedlings off. Sulconazole Nitrate is the nitrate salt form of sulconazole, a synthetic imidazole derivative with antifungal property. Sulconazole nitrate inhibits fungal cytochrome P sterol C alpha-demethylation, resulting in the accumulation of fungal 14 alpha-methyl sterols and inhibition of the synthesis of ergosterol, an important component of the fungal cell membrane.

    highest nitrate accumulation was in calcium ammonium nitrate ( mg kg-1). Considering the nitrate accumulation in Considering the nitrate accumulation in leafy vegetables is harmful for human health, therefore, the usual dose of ammonium sulfate is firstly suggested that it should. Ammonium (NH4+) and nitrate (NO3−) are the two forms of inorganic nitrogen essential for physiological and biochemical processes in higher plants, but little is known about how the NH4+:NO3− ratio may affect nitrogen metabolism. This study determined the effect of NH4+:NO3− ratios on plant growth, accumulation, and distribution of nutrient elements, fruit Cited by: 3.


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Accumulation of nitrate by National Research Council (U.S.). Committee on Nitrate Accumulation. Download PDF EPUB FB2

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@article{osti_, title = {Accumulation of nitrate}, author = {Not Available}, abstractNote = {Some forms of nitrogen can be toxic to animals.

Methemoglobinemia in infants has been related to a high level of nitrate in drinking water. The possibility that some forms of nitrogen may combine to form the extremely carcinoginic class of compounds called nitrosamines is. A PDF is a digital representation of the print book, so while it can be loaded into most e-reader programs, it doesn't allow for resizable text or advanced, interactive functionality.

The eBook is optimized for e-reader devices and apps, which means that it offers a much better digital reading experience than a PDF, including resizable Accumulation of nitrate. book and. Accumulation Of Nitrate [National Research Council (U.S.). Commit] on *FREE* shipping on qualifying offers.

Accumulation Of Nitrate. Document Type: Book: All Authors / Contributors: National Research Council (U.S.). Committee on Nitrate Accumulation. ISBN: Nitrate accumulation increased as the rate of nitrogen fertilization increased. Nitrate sources of fertilizer resulted in higher nitrate accumulation than did ammoniacal sources.

Even at the highest rates of nitrate accumulation observed, the possibilities of an adult consuming enough food to cause nitrate toxicosis are exceedingly remote. Excessive application of nitrate, an essential macronutrient and a signal regulating diverse physiological processes, decreases malate accumulation in apple (Malus domestica) fruit, but the underlying mechanism remains poorly understood.

Here, we show that an apple BTB/TAZ protein, MdBT2, is involved in regulating malate accumulation and vacuolar pH in response to nitrate. Nitrite accumulated in denitrifying Accumulation of nitrate. book sludge mixed liquor when the carbon and electron source, acetate, was limited.

If acetate was added to obtain a carbon-to-nitrogen (C:N) ratio in the range of tonitrate was completely consumed at the same rate with no nitrite accumulation, indicating that nitrate concentration controlled the respiration rate as long as.

Mutants and transformants of tobacco (Nicotiania tabacum L. cv Gatersleben 1) with decreased expression of nitrate reductase have been used to investigate whether nitrate accumulation in the shoot acts as a signal to alter allocation between shoot and root growth.(a) Transformants with very low (1–3% of wild‐type levels) nitrate reductase activity had growth rates, and protein, Cited by:   The effects of accumulated [14N]nitrate and its utilization in decapitated, 5-day-old dark-grown corn roots on influx, accumulation, xylem deposition, and reduction of concurrently absorbed nitrate during an hour exposure to millimolar K15NO3 nutrient solution were examined.

A hour pretreatment in millimolar K14NO3 high nitrate (HN) resulted in a 2 Cited by: Crops that accumulate nitrate and grow under conditions favoring nitrate accumulation should be checked for nitrate content. High nitrate forage should be diluted with low nitrate forage to decrease nitrate intake, or if there are indications of nitrate toxicity, the feeding of nitrate-accumulating forage should be discontinued.

Nitrate accumulation in the stems and leaves of plants may be associated with excessive concentrations of nitrogen (nitrates or ammonia) in the soil. Young plants are more likely to have high nitrates than are more mature : Jeffery O.

Hall. accumulation of nitrate in leafy vegetables and its inge stion by human beings. This review focuses on (i) the contribution of v egetables towards dietary nitrate intake by human s, (ii) the nutritional, environmental and physiological fact ors affecting nitrate accumulation in.

The accumulation of nitrate in relation to total N concentrations (16068i) in tissues of wheat (Triticum aestivum L., cv Sicco) grown in solution culture was investigated.

Root, shoot and leaf tissues showed qualitatively similar relationships between internal nitrate concentrations and 16068i, both expressed on a tissue water basis.

At low 16068i, no nitrate was detectable but once a Cited by: An exception is rice seedlings which are unable to utilize nitrate-N (Bonner ). Some organisms, e.g. Chlorella, when supplied both nitrate and ammonia-N preferentially utilize the ammonia-N, and no nitrate reduction occurs in the presence of ammonia-N Cited by: Excessive accumulation of nitrate in spinach is not only harmful to human beings, but also limits the efficiency of nitrogen usage.

However, the underlying mechanism of nitrate accumulation in plants remains unclear. This study analyzed the physiological and molecular characteristics of nitrate uptake and assimilation in the spinach varieties with high or low nitrate by: 3.

Nitrate and nitrite are potentially dangerous substances which can have a detrimental effect on the ecological balance of rivers and lakes, and can cause harm to human health. This book puts into context the magnitude and complexity of the problems caused by nitrate and nitrite, and provides advice and information on ways to combat it.

A study was conducted to estimate nitrate content in commonly used fodder crops, viz., berseem (Trifolium alexandrinum), bajra (Pennisetum glaucum), maize (Zea mays), oats (Avena sativa), sorghum (Sorghum vulgare) and toriya (Brassica napus), collected from the fields of different villages of Punjab and farms of the university, and to evaluate the factors associated with.

Aspects of assimilation and accumulation of nitrate in some cultivated plants Proefschrift ter verkrijging van de graad van doctor in de landbouwwetenschappen op gezag van de rector magnificus, dr.

van der Want, hoogleraar in de virologie, in het openbaar te verdedigen op vrijdag 24 oktober des namiddags te vier uur. The use of mixed nitrate and ammonium as a nitrogen source can improve plant growth. Here, we used metabolomics and transcriptomics to study the underlying mechanisms.

Maize plants were grown hydroponically in the presence of three forms of nitrogen (nitrate alone, 75%/25% nitrate/ammonium, and ammonium alone).Cited by: 2. Get this from a library!

Factors affecting the accumulation of nitrate in soil, water, and plants. [Frank G Viets; Richard Harry Hageman; United States. Agricultural Research Service.]. Nitrate nutrition had no effect on the accumulation of storage protein, as the difference between Col and atg5 was observed under high- and low-nitrate conditions (Supplementary Fig.

S8a,b). In addition, the lower 12S globulin content compared to Col was also observed in the atg7 and atg4a-4b mutants (Supplementary Fig. S8c,d).Cited by: combination with one another, can lead to nitrate accumulation. Dry, hot weather will increase plant nitrate levels but levels will increase further when the extended dry period is followed by rain and/or wet overcast weather.

Following a period of nitrate accumulation, several days of.