烟田油菜免耕直播不同密度研究  

Study of Different Planting Density on Direct Seeded Rape in No Tillage Tobacco Field

作　　者：张月强 张观武 

机构地区：[1]德江县农业技术推广站,贵州德江565200 [2]德江县楠杆乡农业服务中心,贵州德江565200

出　　处：《耕作与栽培》2014年第4期62-62,64,共2页Tillage and Cultivation

摘　　要：为探讨烟田油菜免耕适宜密度,以行距为固定的烟垄行、穴距为33.33cm,穴定植留苗2株、3株、4株、5株4种不同定植密度,进行了烟田油菜免耕直播试验研究。结果表明,烟田油菜免耕直播最佳密度,在现有施肥水平和管理条件下,以穴定植3株,定植密度6 000株/667m2最佳。In order to explore appropriate planting density of rape, 2 rape seedlings, 3 rape seedlings, 4 rape seedlings and 5 rape seedlings per hill with spacing 33.33 cm in no tillage tobacco field were studied. The results showed that under the condition of current fertilization and management, 3 rape seedlings per hill, planting density of 6000 plants/667m2 could obtained the highest yield.

关 键 词：油菜 烟田 免耕 直播 定植密度 

分 类 号：S511[农业科学—作物学]