【《国际原子能机构通报》1981年第3期第22页报道】第二次世界大战后,由于可以人工制备许多重要元素的同位素,核技术在食品和农业方面的应用取得了很大的进展。特别是在最近,对于农业来说很重要的元素,如氢、氧、碳、氮和硫的稳定同位素 [Report of the International Atomic Energy Agency, 1981, No. 3, p. 22] After the Second World War, due to the fact that many important isotopes can be artificially prepared, the application of nuclear technology in food and agriculture has made great progress. Especially recently, important elements for agriculture, such as stable isotopes of hydrogen, oxygen, carbon, nitrogen, and sulfur