Urease activity in tropical rice soils and flood water
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چکیده
منابع مشابه
Inhibition of Urease Activity in Soils
Studies to evaluate more than 100 compounds as inhibitors of urease activity in soils showed that dihydric phenols and quinones were the most effective organic compounds tested and that silver and mercury salts were the most effective inorganic compounds. When the most potent inhibitors were compared using 50 1'8 of inhibitor per g of soil, their effectiveness decreased in the order: catechol >...
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the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...
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Urease activity of various soils was indexed employing toluene sterile and non-sterile soils. The two methods indicated that part played by microorganisms. Apparatus used, soil depth, increment, depth of placement and pattern distributions are discussed in relation to volatile loss as are influences of soil moisture, reaction, temperature and drying-out. Urea on trash benefits fungi but invaria...
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Since rice is a staple food most consumed world-wide, there have been increasing health concerns regarding exposure to arsenic through rice consumption. Several studies have reported the accumulation of arsenic in rice grains cultivated in regions with elevated levels of arsenic in groundwater or contaminated soil. Therefore the principal aim of this study was determining the amount of arsenic ...
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The relationship postulated between hepatic coma and hyperammonaemia implicates the gastrointestinal tract as a major source of the excess ammonia in the peripheral blood of some patients with cirrhosis (Butt and Summerskill, 1961; Chalmers, 1960; Sherlock, Summerskill, White, and Phear, 1954). Conventional therapy, comprising protein restriction, antibiotics, and enemas, is directed toward eli...
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ژورنال
عنوان ژورنال: Soil Biology and Biochemistry
سال: 1980
ISSN: 0038-0717
DOI: 10.1016/0038-0717(80)90059-0