汕优63在不同海拔高度种植的生育特点及高产栽培技术

Developmental Characteristics and Cultural Practices of Shanyou 63 at Different Elevations

汕优６３是浙江省临安县单季杂交稻当家组合．由于受不同海拔高度温光条件限制，一般限于海拔４００米以下地区种植。在适栽范围，应针对不同海拔高度气温和生育期变化，采取相应栽培技术措施．才能兴利避害，获得丰收。

Shanyou 63,the leading rice combination in Ling' an County,located in the west part of Zhejian Province,with a range of elevations from gm to 980m .was analyzed on its developmental characteristics planted at different heights above sea level. On the basis of many years practical experieces,it was concluded with an effevtive accumulated temperature (EAT) of about 1430℃ Shanyon 63 was adaptable to the growing area below the elevation of 400m, and the suitable cultural techniques including the practices of seeding, transplanting,fertilizer and water managing, etc. were also discussed for the elevations of 150m below, 200-300m and 350-400m.