The fertilizer application units AVU-AVU 0,8-1,5 is designed for surface application of solid mineral fertilizers in granulated and crystalline form and also for sowing of grass on melkoshtuchnyh fields, gardens, and sowing of rice. The unit is hung on the rear hitch of the type WELL 2 performance 1.2 tractors of traction class 1,4,2,0 for AVA-0.8 and class 2.0 for AVA-1,5.The units are fitted with electrically operated control mechanism for opening/closing of the metering valves with electronic computer controlled from the tractor cab. On request, the silo can be made of corrosion-resistant steel.