All common UAN solutions (28%, 30% and 32%) are formulated to contain 50% of actual N as amide, (from urea), 25% as ammonium (from ammonium nitrate), and 25% as nitrate (from ammonium nitrate). Soil Reactions - The urea portion of UAN solutions reacts just as dry urea does (see previous section on urea).
His creatinine was 1028 and urea level was 39.7 on 2018-12-11; creatinine level was reduced to 331 and urea was 16.1 on 2019-1-5. After about 25 days' treatment in our hospital, his creatinine level was reduced by 697, and urea was reduced by 23.6. Hope his condition gets better and better.

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1.3 Urea Urea (NH 2CONH 2), which is also known as carbamide, carbonyl diamine, carbamimidic acid, and isourea, was the leading nitrogen fertilizer worldwide in the 1990s ( Kroschwitz & Howe-Grant 1995b). Urea is a stable colourless and odorless solid at room temperature that will melt at 135 °C.
Application of 150 kg N ha-1 combined with 30 kg P ha-1 gave significantly higher plant height than the rest of the treatments . There was no significant difference between higher rates of nitrogen fertilizer (urea) (225 and 300 kg N ha-1) combined with constant rate of organic P fertilizer (Orga) at 30 kg P ha-1. Control treatment showed the ...

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Urea is 46 per cent nitrogen and 50 kg of urea theoretically contains the equivalent of 143 kg of protein (kg nitrogen x the conversion factor – 6.25 ie 23 kg N x 6.25 = 143.7 kg). The rumen conversion of npn to protein depends on a number of factors, the most important are a suitable source of energy and sufficient sulphur.
Urea is a naturally occurring substance that has a high nitrogen count.In the usual fertilizer ratio of nitrogen, phosphorus and potassium, urea is 46-0-0. All plants need nitrogen, which helps with the formation of green leafy growth and protein formation and drives the production of chlorophyll.

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Therefore, only 22.6% of the nitrate is actually N, which means that, 45 lbs of nitrate contain 10 lbs N. In reports of soil and water analyses, the nitrate or nitrate-N concentration is generally reported in mg/kg or ppm (parts per million). A nitrate-N concentration of 10 ppm in one foot of the soil profile corresponds to roughly 35 lbs N/acre.
The same formula can be used to see how much other nutrients are in the bag. 25 lbs X 0.04(P) = 1 lb of Phosphorus in the bag by weight. 25 lbs X 0.12(K) = 3 lbs of Potassium in the bag by weight. The bag contains 6.25 lbs Nitrogen, 1lb of Phosphorus and 3 lbs of Potassium. You can use the formula regardless of what the fertilizer analysis is.

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0.1 kg CO 2 5.6 kg CO 2 eqv 75 kg CO 2 75 kg CO 2 10 . ... kg CO 2 equivalents per kg urea nitrogen Source: Fertilizers Europe (2016) for production in 2014 15 .

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