油菜平衡施肥配套技术的增产效应  

Yield increase effect on rape by sets of balanced fertilization technique

作　　者：张翔[1] 朱洪勋[1] 孙春河[1] 

机构地区：[1]河南省农业科学院土壤肥料研究所,河南郑州450002

出　　处：《磷肥与复肥》2000年第6期72-73,共2页Phosphate & Compound Fertilizer

摘　　要：对油菜平衡施肥用量、种类和微肥喷施、施肥方式的试验研究表明 ,河南省油菜产区氮磷适宜用量为 :N172 .5～ 2 5 8.8kg/hm2 ,P2 O5 6 0～ 90 kg/hm2 。有机无机肥合理配施 ,采用基施和追施相结合是最佳的施肥模式 ,油菜苗期和初花期两次喷施硼锌微肥增产效果较好。By research on the rates, varieties, traceelements and application method of balanced fertilization , the optimal N and P rates for rape in Henan area is 172.5～258.8 kg N/hm\+2 and 60～90 kg P\-2O\-5/hm\+2, inorganic and organic fertilizrs together, base and dressing applied; and the spraying of B and Zn shows a good response to the yield increase in its seeding and bolting stages.

关 键 词：油菜 平衡施肥 增产效应 施肥量 微肥喷施 

分 类 号：S565.406.2[农业科学—作物学]