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20 0 0年和 2 0 0 2年对河北农户冬小麦和玉米施用肥料品种结构的调查结果表明 ,施肥中普遍存在重冬小麦而轻夏玉米的现象。冬小麦基肥主要是磷酸二铵 ,追肥主要是尿素 ;夏玉米追肥用量高于基肥 ,主要品种是尿素 ;磷酸二铵和三元复合肥则是基肥的主要品种。提高河北省冬小麦、夏玉米的肥料利用率 ,一方面要指导农民科学施肥 ,平衡区域施肥量 ;另一方面化肥企业也应针对不同农作物的特点 ,开发、生产适宜的肥料品种
The results of survey on the structure of fertilizers applied to winter wheat and maize in Hebei Province in 2000 and 2002 show that the phenomenon of heavy winter wheat and light summer maize is common in fertilization. Winter wheat base fertilizer is mainly diammonium phosphate, top dressing is urea; summer corn top dressing dosage is higher than basal, the main species is urea; DAP and ternary compound fertilizer is the main varieties of basal fertilizer. Improve Hebei Province, winter wheat, summer maize fertilizer utilization, on the one hand to guide farmers to scientific fertilization, balanced regional fertilizer; the other hand, fertilizer companies should also be based on the characteristics of different crops, the development and production of suitable fertilizer varieties