摘要
在河西走廊自然条件下多年试验结果证明:采用覆膜栽培方式可使甜菜种子产量和经济效益得到明显提高,与露地栽培方式比其增产幅度为21.6%~35.5%,平均增产率达26.8%,增加经济效益7935.2元/hm2。
The results of many years experiments under natural condition at Hexi hallway proved that the suagr beet seed yield and economic benefit were promoted obviously if the film covering culture was adopted,with a increment of21.6%~35.5%than that in non-covered culture pattern,the average value26.8%,and increased7935.2Yuan RMB per ha in the economic benefit.
出处
《中国糖料》
2003年第3期21-22,共2页
Sugar Crops of China
关键词
甜莱
覆膜栽培
种子产量
经济效益
Sugar beet
Film covering culture
Seed yield
Economic benefit