当前,国内早稻高产栽培施肥技术上存在着“早发、中稳、后健”(又称“攻头”或“二促一控”)与“稳头、攻中、补后”(又称“攻中”或“扶苗促根”)的争论。1975年湖南农科院对此进行了多点对比试验,据16个点平均结果:攻头的亩施氮素34.16斤,比攻中的亩施氮素24.94斤多施37％的氮肥,但攻头的亩产820.9斤,比攻中亩产830.6斤少9.7斤。为了研究在本省气候条件下的合理施肥技术,1976年春我们在 At present, the technology of high yielding cultivation and fertilization of early rice has many problems such as “early onset, steady growth and afterlife” (also known as “tapping” or “ ”Attack“ or ”Auxiao promote root") controversy. In 1975, Hunan Academy of Agricultural Sciences carried out comparative experiments on this point. According to the average of 16 points, 34.16 kg of mu of nitrogen per head was applied, and 37% of nitrogen fertilizer was applied more than 24.94 kg of mu nitrogen applied in the attack. Kneading 820.9 kilograms per mu, less than 9.7 kg per kilogram in the attack less 9.7 kg. In the spring of 1976 we were studying the rational fertilization techniques in our province’s climatic conditions