摘要
为掌握沅江市稻—稻-油种植模式下油菜氮、磷、钾、硼养分施用效果及养分吸收规律,进行了油菜不同专用肥施用效果试验。结果表明,施用专用配方肥中试专用肥Ⅰ(N-P2O5-K2O:18-15-11)增产效果最好,经济效益最高,分别比当地习惯施肥增产23.5%,增效25.1%,可供生产上大面积推广应用。
In order to master the application effects of N,P,K,B fertilizers in rapes,and its nutrient uptaking rules under the ricr-ricr-rape cropping system,application of different specialized fertilizers to rapes was conducted in Yuanjiang city,Hunan.The results showed that the use of specialized fertilizerⅠ（N-P2O5-K2O：18-15-11） with fertilizing amount of pure N 150 kg/hm2,P2O5 75 kg/hm2,K2O 105 kg/hm2,borax 15 kg/hm2 had the best effects in yielding advantage over 23.5%,and the highest economic return by 25.1% among those fertilizers,compared to the local conventional fertilizering method in rape.Therefore,it would be popularized on a large-scale in rape production.
出处
《作物研究》
2011年第3期229-230,234,共3页
Crop Research
基金
国家肥料支撑计划项目
关键词
油菜
专用肥
施肥
Rape（Brassica napus L.）
Specialized fertilizers
Fertilizering
