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在对河南省油菜产区施肥状况广泛调查的基础上，针对目前油菜生产中存在的不合理施肥问题，系统地进行了施肥技术研究，为油菜生产提供合理的施肥措施。１材料与方法１．１试验地点及材料试验在豫东、豫南地区的潮土和砂姜黑土上进行。供试土壤（０～２０ｃｍ）基础农化性...
Based on the extensive survey of the fertilization status of rapeseed producing areas in Henan Province, aiming at the unreasonable fertilization problems existing in rapeseed production, the fertilization technology was systematically studied to provide reasonable fertilization measures for rapeseed production. 1 Materials and Methods 1.1 Test Location and Materials Tests were carried out on the fluvo-aquic soil and sago-black soil in the areas of eastern Henan and southern Henan. Test soil (0 ~ 20cm) basic agrochemical ...