nitrogen phosphorus and potassium 氮磷钾肥
Phosphorus and potassium activator 磷钾激活剂
phosphorus and potassium absorption 磷钾的吸收
phosphorus and potassium combination 磷钾配比
nitrogen phosphorus and potassium content 氮磷钾含量
nitrogen phosphorus and potassium contents 氮磷钾含量
available nitrogen phosphorus and potassium 速效氮磷钾
They should care to a balance or has a few deficit, controlled. The phosphorus and potassium should keep balance.
磷素应达到基本平衡或有少量赤字，钾素允许盈亏率可以有赤字，磷钾应基本保持平衡。
参考来源 - 三江平原白浆土型水稻土氮磷钾养分平衡的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Purple soil supplied the plants with more phosphorus and potassium nutrition and less nitrogen nutrition.
紫色类土壤提供给烟株吸收利用的磷钾养分较多，而氮养分较少。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
土壤有机质和养分（氮、磷和钾等）是土壤肥力重要的物质基础。
The results showed that lime soil supplied the plants with more nitrogen nutrition, less phosphorus and potassium nutrition.
结果表明，石灰岩类土壤提供给烟株吸收利用的氮养分较多，而磷钾养分较少。
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