Claim 1: a Unit for supplying chemicals to the roots of a Plant, which comprises: (i) one or more areas of root Development； (ii) optionallyOne or more areas of Agrochemicals； and (iii) a pesticide； areas where Agrochemicals are made to release at least one Chemical in the areas of root Development in a form of controlled release when they are swollen areas Development Radic Ular； and the relationship of dry weight of root development areas to areas of PAgrochemical product in a Dry unit is 0.05 to 20: 1: 1 or where the total volume of the Development Zones in the unit root is at least 0.2 ml when the unit is completely swollen.Claim 22: Unity of any of claims 1 - 20, where the pesticide is a pesticide to soil pests and pathogens that is fluensulfona, propamocarb, flutolanil, fludioxonilo, abamectin, fluopyram or oxamyl. Claim 23: The Unity of any of claims 1 - 20, where the pesticide imidacloprid or is azoxiestrobina.Claim 60: a method for growing a Plant, which comprises adding at least one Unit of any of claims 1 - 60 to the Environment in which the plant grows.Claim 61: a method to reduce the Environmental Damage caused by Chemicals, including Agrochemicals to provide a Plant root through the addition of at least one Unit of any of claims 1 - 54 at the middle of the plant.Claim 62: a method to generate a Predetermined area with artificial chemical properties in the root zone of a Plant, which comprises: (i) to add one or more units in the plant root zone； or (ii) Add one or more units due to the root zone Environment in which it is expected that the plant will grow.Where at least one of the one or more units is as defined in one of claims 1 - 61. Claim 63: a method to fertilize a Plant which comprises adding at least one Unit of any of claims 1 to 4 - 61 to the Environment in which the plant grows.Claim 64: a method for Protecting a plant from a plague, which comprises adding at least one Unit of any of claims 1 - 61 to the Environment in which the plant grows.R
