解放后,我国果树栽培有了很大的发展。尤其是1958年大跃进以来,果树栽培面积和总产量都有迅速的增长。由于全面贯彻了农业“八字宪法”,全国各地先后出现了很多大面积丰产和高额丰产的典型。在果树生产飞跃发展的情况下,为了获得优质高产,争取年年丰收,便提出了果树保花保果的理论。 After the liberation, our country’s fruit tree cultivation has great development. Especially since the Great Leap Forward in 1958, fruit tree cultivation area and total output have experienced rapid growth. Due to the full implementation of the “eight-character constitution” of agriculture, many typical examples of large-scale high-yielding and high-yielding have appeared all over the country. In the case of rapid development of fruit tree production, in order to obtain high-quality and high yield, for year-round harvest, they put forward the theory of fruit tree flower preservation.