SOIL INJECTOR Russian patent published in 2004 - IPC

FIELD: agriculture and forest industry, in particular, equipment for maintaining plant water supply balance. SUBSTANCE: injector has hollow cylinder made from hard opaque material and adapted to be embedded into soil. Hollow cylinder is connected to hydraulic line and is equipped with union arranged in its upper part and provided with return valve. Narrowing throat opened toward soil is attached to lower part of hollow cylinder. Hydraulic line has hermetically closing valves and is connected to reserve vessel. Soil is tightly pressed into throat and arranged in zone adjoining plant root system. Throat defines, in conjunction with pressed-in soil, porous probe. EFFECT: simplified construction and reduced water consumption. 2 dwg, 2 ex