湖南省淑浦县农业局高级农艺师黄德社的杂交水稻叶片叶龄判断法，已通过湖南省级重大成果登记，湖南省科委推荐列入国家级重大成果登记。从1992年，黄德社同志对杂交水稻叶片叶龄判断法进行了艰苦而深入细致的探索，对近SO个杂交水稻组合和制种亲本品种进行了详细观察，通过五 Huang De She, a senior agronomist at Shu Pu County Agriculture Bureau of Hunan Province, has passed the major achievements registration of Hunan Province and Hunan Provincial Science and Technology Commission has recommended the registration of major achievements at the national level. From 1992, Comrade Huang De-sheh conducted a painstaking and intensive exploration on the leaf age determination of hybrid rice leaves, and conducted a detailed observation on nearly SO hybrid rice combinations and seed-producing parental varieties. Through five