More fundamental changes are taking place, under the influence of the modern concept that human determination can exceed heaven's will. Scheduling one's life in accordance with the rhythms of nature has fallen out of fashion. A host of new developments has greatly altered the appearance of modern agriculture. Various new crop species have been bred that can stand cold and resist heat or can yield both an early or a late harvest.
更根本的改變是，在「人定勝天」的西方觀念影響下，「順時而作」已經落伍：各種耐寒、抗熱、早熟、晚熟品種的開發，溫室冷房設備，還有「產期調節」觀念的建立，都大大改變了今日農事的面貌。