agrarian machines; agrarian tractors; agricultural production; conflict against pests; crop of cultivations and preparation of farm produce; cultivation, agricultural production; cultivation, cleaning, trimming, grading, disinfecting; fruit trees and grapevines; grapevines and fruit trees; harvest; lands, preparation; lettuce, salad, boxed, packaged, conditoning; phytosanitary protection; silvicultural machines; systems of irrigation, working