Urea-formaldehyde condensate-based slow release nitrogen fertili

Details Urea-formaldehyde condensate-based slow release nitrogen fertili Urea-formaldehyde condensate-based slow release nitrogen fertili

1984-05-22

1986-06-24

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 30, 71 6411, C05C 900

Patent

active

045965935

ABSTRACT:
A slow release nitrogen fertilizer comprising a hydrous cured product of urea-formaldehyde condensate in which the total methylol content is 0.1 to 1.0% by weight (based on the weight of hydrous product) and the hot water-dissolution percentage [percentage of the cured product dissolved in hot water at 80.degree. C. when the product has been immersed therein for 30 minutes (based on the weight of anhydrous product)] is 10% by weight or less.

REFERENCES:
patent: 4411683 (1983-10-01), Goertz

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