Slow release oxamide fertilizer

Details Slow release oxamide fertilizer Slow release oxamide fertilizer

1989-11-27

1992-10-06

Lander, Ferris

Chemistry: fertilizers

Processes and products

Organic material-containing

71 6403, 71 6413, C05G 300

Patent

active

051528223

ABSTRACT:
An improved slow release oxamide fertilizer comprising an oxamide powder bonded by polyvinyl alcohol in a ratio of 0.2-10 weight parts of polyvinyl alcohol per 100 weight parts of oxamide is disclosed. The oxamide fertilizer is in the shape of spherical particles having an average minor diameter of 2 to 5 mm, and not less than 70% of total numbers of the particles have shapes in a ratio of major diameter to minor diameter of 1 to 1.3. The oxamide fertilizer has a respose angle not greater than 39.degree..

REFERENCES:
patent: 4008064 (1977-02-01), Skauli

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