Slow release oxamide fertilizer
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United States of America Patent
Stats
-
Oct 6, 1992
Grant Date -
N/A
app pub date -
Nov 27, 1989
filing date -
Nov 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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..
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