Abstract: From 1983 to 1985, authors had made the field plot experiments on different doses of basal dressing with nitrogenous fertilizer (urea) of rice (Oryza saliva L.) in Yuanjiang (dry-heat river valley about 400 m altitude), Kunming (warm-cool plateau lake-shore about 1900 m altitude) and Lijiang (cold-cool plateau area about 2400 m altitude), Yunnan, respectively. The treatment of basal dressing was divided into three doses which the one was not applied with urea (CK), the other was applied with 20 kg/mu urea (middle dose) and the third was applied with 30 kg/mu urea (large dose). At the same time, each dose was rep-licated three times. The dry-matter production and partitioning in the aerial part had been made a comparison among the treatments of different doses.

Key words: Rice