PROCESS FOR PRODUCING COMPOSITIONS COMPRISING PLANT PROTECTIVES WITH CONTROLLED RELEASE OF ACTIVE INGREDIENT AND/OR PLANT NOURISHING MATERIALS
One active cpd. or several cpds. and additives are applied simultaneously or consecutively to porous spongy cellulose beads pref. of 2-4mm dia. while vacuum is maintained. Active cpds. are applied as suspension, soln., melt or vapour. The wt. ratio of active matter to substrate is in the 10:90-20:80...
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Zusammenfassung: | One active cpd. or several cpds. and additives are applied simultaneously or consecutively to porous spongy cellulose beads pref. of 2-4mm dia. while vacuum is maintained. Active cpds. are applied as suspension, soln., melt or vapour. The wt. ratio of active matter to substrate is in the 10:90-20:80 region. The prod. is opt. subjected to secondary vacuum treatment and/or is surface dusted. It is suitable for controlled release of plant protecting and/or plant nourishing agent |
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