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在氮磷钾配合施用条件下,牛蒡产量大幅度增加,牛蒡产量可达6540kg/hm2;磷钾配合施用条件下,产量可达5370kg/hm2。施用氮肥、钾肥的增产效果显著、肥效高。
With the application of N, P and K, the yield of burdock increased significantly, the yield of burdock reached 6540kg / hm2, and the yield reached 5370kg / hm2 under the combination of phosphorus and potassium. Application of nitrogen and potassium fertilizer yield a significant effect, high efficiency.