Machines and apparatus for soil and plant cultivation, in particular for use on special crops, including vine, fruit, hops, delicate vegetables, tobacco, spices, medicinal plants, trees, shrubs and flower crops, namely cultivators, cultivators with reamer, pre-cultivators, harvester, disk harrows, spring tine harrows, seeders, dished ploughshares, spoon ploughshares, turf strippers and scrapers, rotary tillers, spring tines, spring-tooth cultivators, rollers, under-vine star rollers, in-grass-row star rollers, mulchers, sickle mulchers, rotavators, in-grass-row clearers, under-vine grape hoes, and in-grass-row grape hoes; ploughs; under-vine clearers, namely screw mulchers for clearing around vines; agricultural machinery for outdoor use, namely, grubbers, harrows; mowing and reaping machines, in particular under-vine mowing and reaping machines; machines in the nature of cutters for cutting plants, in particular vine branches; machine tools for cutters for cutting plants; reeling apparatus, mechanical, in the nature of reeling winches; machines and apparatus for cleaning plant stems, in particular vine stems, in the nature of vine stem cleaners; power lawn and garden tools, namely shredders for wood, grass and weeds; harvesting machines in the nature of harvesters; spraying machines for use mounted on tractors; sowing machines in the nature of sowers for towing behind tractors; in particular the aforesaid goods for use by means of a tractor