汕头地区潮汕平原常年早稻栽培面积约200万亩,自1951年至1980年30年中,单产比较稳步上升,平均每亩产量五十年代为352斤,六十年代为475斤,七十年代为609斤,七十年代后半期以来,单产提高更显著,1980年亩产达到758.9斤。增产的原因是多方面的,而以提高施肥技术为中心的促控技术起了积极的作用。 Shantou, Chaoshan area perennial rice cultivation area of ​​about 2000000 acres, from 1951 to 1980, 30 years, a relatively steady increase in yields, the average yield per acre was 352 pounds in the fifties, 475 pounds in the 1960s, seventies 609 pounds, since the second half of the seventies, more significant increase in yields, in 1980 reached 758.9 kg per mu. The reasons for the increase are many, and to promote fertilization technology as the center to promote control technology has played a positive role.