高油高产大豆新品种石豆4号的选育及栽培技术

Breeding and Cultivation Techniques of A New High Oil and High Yield Soybean Variety Shidou No.4

石豆4号为高油高产夏大豆新品种，蛋白质含量40．02％，脂肪含量22．11％。2007～2008年参加河北省夏大豆品种区域试验和生产试验，2a区域试验平均产量3282．8kg／hm^2，生产试验平均产量3163．3kg／hm^2。该品种适宜在河北省中南部夏播大豆区种植。

Shidou No. 4 is a new summer soybean variety with high oil and high yield, whose contents of protein and fat are 40. 02% and 22. 11% , respectively. The average yield of regional tests in Hebei Province from 2007 to 2008 is 3 282. 8 kg/hm^2, and that of production test in Hebei Province in 2008 is 3 163.3 kg/hm^2. The variety is suitable for planting in summer soybean area of the middle south of Hebei Province.