| abstract |
A unit for delivery of agrochemicals to the roots of a plant comprising one or more root development zones, and one or more agrochemical zones containing at least one agrochemical, wherein the agrochemical zones are formulated to release the at least one agrochemical into the root development zones in a controlled release manner when the root development zones are hydrated, and wherein the weight ratio of the root development zones to the agrochemical zones in a dry unit is 0.05:1 to 0.32:1. |