Nitrogen fertilizer and compound fertilizer are suitable for the seeding period, while compound fertilizer, phosphorus and potassium fertilizers are suitable for the period of root forming.
苗期适用氮肥及复合肥，块根形成期适用复合肥及磷钾肥。
The effects of interaction among nitrogen, phosphorus and potassium fertilizers on salt content and ion composition in greenhouse were studied through laboratory incubation experiment.
通过室内模拟培养实验，研究了氮、磷、钾肥交互作用对设施土壤盐分含量与离子组成变化的影响。
The effects of interaction among nitrogen, phosphorus and potassium fertilizers on salt content and ion composition in greenhouse were studied through laboratory incubation experiment.
通过室内模拟培养实验，研究了氮、磷、钾肥交互作用对设施土壤盐分含量与离子组成变化的影响。
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