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在海拔2700m 以上的高寒地区种植甘蓝型杂交油菜,因春季气温低,温度回升慢,播种后出苗时间长,苗期植株生长缓慢,生长后期又易遭早霜冻的危害,不能保证其正常成熟。采用机械垄覆膜沟植栽培技术,恰好解决了这一难题。从青海省互助县5年的试验和示范推广来看,试验田平均产量3001.5kg/hm~2,对照田产量2181.0kg/hm~2,平均增产820.5kg/hm~2,增产幅度37.6%,这为高寒地区促进农业增效、农民增收和推进新农村建设开辟了一条新的途径。
In the alpine region above 2700 m above sea level, the cabbage hybrid rape is planted because of the low temperature in spring and slow temperature rise. The seedling emergence time is long, the seedling plant grows slowly and the late growth stage is easily harmed by the early frost, which can not guarantee the normal maturity. The use of mechanical furrow cultivation techniques, just to solve this problem. From the experiment and demonstration promotion of Huzhu County in Qinghai Province for five years, the average yield of the experimental field was 3001.5kg / hm ~ 2, that of the control field was 2181.0kg / hm ~ 2, the average yield was 820.5kg / hm ~ 2 and the yield was 37.6% This has opened up a new avenue for accelerating agricultural efficiency in the alpine region, increasing peasants’ income and advancing new countryside construction.