It is clear that the conditions that have prevailed since the middle of the 20th century have evolved, that techniques have evolved and must still evolve, that they must change, and that agricultural policy instruments must also evolve.
On selge, et 20. sajandi keskpaigast alates valitsenud tingimused on arenenud, et meetodid on arenenud ja peavad veelgi arenema, et need peavad muutuma ning et põllumajanduspoliitika vahendid peavad samuti arenema.