DICKEY-john after the sowing sector has immediately developed its technology in the control of the machines dedicated to spraying : in particular anti-parasitic treatments and weeding . The instruments range goes from longevity and very reliable CCS 100 able to keep the dose delivered by the machine constant at varying feed speed, to the viewer and hectare counter CMS 100 , at most complete land manager , which combines the functionality of the two previous ones into a single device, up to the very modern Task Controller for ISOBUS .