| 摘要 |
<p>A composition of matter, primarily for agricultural purposes, comprises an organic particulate material such as a waste material for example sawdust, wood flour, grass cuttings, paper pulp, compost or bagasse, the particles being coated with a polymer to render the particles non-wetting and a water- sensitive material, for example a water-soluble material useful in agriculture, in order to reduce the sensitivity of the substance for extended utility.</p> |
