| 摘要 |
Preparation (I) with delayed release rate for water-soluble and/or water-insoluble materials, preferably fertilizers, nutrients and/or protective materials for plants, animal and micro-organisms in aquacultures, is claimed, where the substances are provided individually or as mixtures in a finely distributed form in a water insoluble carrier, and from which the substances are discharged at defined quantities over the time and at a greatly reduced speed. An independent claim is included for the preparation of (I) comprising mixing the silicate modified components with an organic polymer or cross-linking agent, polymerizing and cross-linking the obtained substance and hardening the obtained mixture. |
