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Nutralene 40-0-0 methylene ureas moderate medium 7-12 weeks not applicable low ... Methylene urea 39-0-0 methylene ureas moderate medium 7-9 weeks 0.7 low ... Coron 28-0-0 urea/methylene ureas minimal moderately rapid 7-9 weeks not applicable moderate...
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www.colostate.edu/Dept/CoopExt/TRA/PLANTS/n-fert.html
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These products have varying-length polymers of methylene urea. The smaller the ratio of urea to formaldehyde, the longer the chain of polymers formed. As the polymer lengths and number of longer chains increase, solubility decreases and nitrogen is released more slowly.
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www.howardfertilizer.com/nugro_types.htm
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The precipitate of methylene-ureas obtained especially by these methods of preparation, appear in the form of small spheres exhibiting the optical phenomenon of the Maltese cross, similar to that which is observed on grains of native starch, with a stratified structure.
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www.freepatentsonline.com/3869311.html
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If all volatile constituents are distilled off, there remains a viscous colorless oil which, upon analysis, consists of mixtures of various low molecular weight, etherified methylene ureas or thioureas which have no tendency to crystallize.
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www.freepatentsonline.com/3859351.html
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Methylene ureas are a class of slow-release N that were promoted during the 1960's and 1970's (Sartain, 2002). These products predominantly contain intermediate-chain-length polymers.
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www.hort.iastate.edu/turfgrass/pubs/turfrpt/2003/31-san...
www.hort.iastate.edu/turfgrass/pubs/turfrpt/2003/31-sand.html
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The ammonia reacts preferentially with the formaldehyde to form an unknown intermediate which is believed to be ultimately responsible for the formation of the short chain methylene ureas.
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freepatentsonline.com/4378238.html
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Hutchinson encyclopedia article about Methylene oxide. Methylene oxide. Information about Methylene oxide in the Hutchinson encyclopedia. ... (redirected from Methylene oxide)
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encyclopedia.farlex.com/Methylene+oxide
encyclopedia.farlex.com/Methylene+oxide
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The estimated use of methylene ureas is about 220,000 metric tons per year, mainly in US, Western Europe, and Japan and it is projected to increase in the future (Trenkel, 1997). The slow-release pattern of methylene urea depends on the degree of polymerization and the combination of different polymer chain lengths...
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www.biopestlab.ucdavis.edu/Labbib/524.pdf
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*2.7% Slowly Available Nitrogen from Methylene Ureas. F699; NOTICE: This product contains the secondary nutrient iron. Iron may stain concrete surfaces and should not be applied on dry or water dampened concrete and should be removed from these areas promptly after application by sweeping or blowing.
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www.lebanonturf.com/pdfs/L2135614.pdf
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