1.
The plant of growth needs three kinds of elements : nitrogen, phosphor and potassium.
生长着的植物需要三种元素：氮、磷、钾。
2.
Relationship between the Contents of N.P.K.and Water Supply and Fertilizer in Summer Soybean
夏大豆植株氮、磷、钾含量与水肥的关系
3.
Then,the best proportion for nitrogen,phosphorous and potassium was 3∶2∶4.
最佳氮、磷、钾质量比是3∶2∶4.
4.
Study on Influence of the Nitrogen, the Phosphorus and the Potassium Element on Embryo Culture of Pinus Tabulaeformis;
氮、磷、钾元素对油松胚培养影响的研究
5.
The Effect of Spraying Npk Fertilizer on the Content of Protein and Fat in Soyben;
喷施氮、磷、钾肥对大豆品质的影响
6.
Studies on Nitrogen,Phosphorus and Potassium for Mulation Apply Fertilizer of Hubei Maidong;
湖北麦冬氮、磷、钾优化配方施肥研究
7.
Effect of Nitrogen, Phosphorus, and Potassium on Yield and Quality of Sophora Flavescens
氮、磷、钾肥对苦参产质量影响的研究
8.
The Study of Effect on Nitrogen,Phosphorus and Potassium Deficiency and Excess on the Growth of Brassica chinensis L.cv.Suzhou
氮、磷、钾失调对“苏州青”青菜生长的影响
9.
Absorption,accumulation and allocation of nitrogen,phosphorus and potassium of jerusalem artichoke
菊芋氮、磷、钾吸收积累与分配特征研究
10.
A Study on High Production Cotton Colony Dynamics of Nutrient Absorbed in North Xinjiang
北疆高产棉花氮磷钾吸收动态的研究
11.
Effect of N,P,K on the Growth and Yield of Chinese Yam
氮磷钾配施对山药生长及产量的影响
12.
Studies on Growth,Yield Formation and Absorbtion of Nitrogen,Phosphorus and Potassium in Malabar Spinach
落葵的生长和产量形成与氮磷钾吸收
13.
The optimum ratio of N:P:K should be 2. 1:1: 0. 4.
化肥氮磷钾比例应是2.1∶1∶0.4。
14.
Influence of Different Levels of N P K on Photosynthetic Character and Activeness in Ginkgo Leaves
氮磷钾三要素对银杏光合性能的影响
15.
④Ample N P K, ⑤ High heavy mental;
④含有丰富的氮磷钾； ⑤重金属含量较高；
16.
Study on the Effects of Nitrogen, Phosphorus and Potassium Optimum Fertilization on Export Broccoli Production;
出口青花菜氮磷钾优化施肥效应研究
17.
The Effect of NPK Fertilizer Application Amount on the Main Rice Quality;
氮磷钾肥不同用量对稻米品质的影响
18.
Effects of Nitrogen, Phosphorus and Potassium Application on Flavor Compounds of Fresh Tomato Fruits;
氮、磷和钾营养对番茄风味物质的影响