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：１９９６～１９９７年在国家水稻工程醴陵基点，对杂交晚稻新组合威优１９８进行了连晚高产栽培技术和有关生理生态研究，创造了２ａ产量平均８．８ｔ／ｈｍ２的７．２ｈｍ２高产样方和９．５ｔ／ｈｍ２的高产丘。分析了威优１９８高产的主要原因，提出了大面积单产９．０ｔ／ｈｍ２的高产栽培技术要点。
: From 1996 to 1997, at the basis of Liling National Rice Project, a new high-yielding late hybrid rice cultivar Weiyou 198 was studied for its high-yielding cultivation techniques and physiological and ecological researches. A high-yielding 7.2hm2 sample with an average yield of 8.8t / hm2 And 9.5t / hm2 yield mound. The main reason for the high yield of Weiyou 198 was analyzed, and the high yielding cultivation techniques of large-yielding 9.0t / hm2 were put forward.