1) N/K ratio
氮/钾比
1.
The N/K ratio in flag leaves at anthesis showed quadratic curve with nitrogen supply,while decreased with potassium supply.
开花期旗叶氮/钾比随施氮水平的增加呈二次曲线变化,随施钾水平的增加呈下降趋势。
2) ratio of N/K
氮钾比例
1.
The efficiency of ear-fertilizer is related to the ratio of N/K, and the appropriate ratio is 1∶0.
施穗肥的效果还与肥料中的氮钾比例有关,N∶K2O以1∶0。
5) NPK Ratio
氮磷钾比例
1.
Effects of N Level and NPK Ratio on Yield and Quality of Sun-cured Tobacco;
施氮量及氮磷钾比例对红土晒烟产质量的影响
6) Ratio of fertilizer N to K_2O
氮钾肥比例
补充资料：过氧化单硫酸钾与硫酸二钾和硫酸氢钾的化合物
CAS：37222-66-5
中文名称：过氧化单硫酸钾与硫酸二钾和硫酸氢钾的化合物
英文名称：Peroxymonosulfuric acid, monopotassium salt, mixture with dipotassium sulfate and potassium hydrogen sulfate； potassium peroxymonosulfate sulfate,(2khso5.khso4.k2so4)； Peroxymonosulfuric acid,monopotassium salt,mixture with dipotassium sulfate and potassium hydrogen sulfate
中文名称：过氧化单硫酸钾与硫酸二钾和硫酸氢钾的化合物
英文名称：Peroxymonosulfuric acid, monopotassium salt, mixture with dipotassium sulfate and potassium hydrogen sulfate； potassium peroxymonosulfate sulfate,(2khso5.khso4.k2so4)； Peroxymonosulfuric acid,monopotassium salt,mixture with dipotassium sulfate and potassium hydrogen sulfate
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