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Cobalt had also effect on content of phosphorus and potassium in corn seedling. 施用钴对玉米幼苗中磷和钾含量也有一定影响;
Nitrogen, phosphorus and potassium are the necessary nutriments for the plants. 氮、磷、钾是植物生长所必须的三种主要营养元素。
A Study on the Rule of Accumulation and Transfer of Nitrogen, Phosphorus and Potassium in Plantago asiatica L. 江西道地药材车前中氮磷钾的积累转运规律研究。
A plant food which contains all three of the primary elements. Nitrogen, phosphorus and potassium. 多功能肥含有氮、磷、钾全部三种成份的植物营养肥。
They are moderately well drained with a fluctuating water table and contain low amounts of organic matter, phosphorus and potassium and. 受地下水位波动影响，土壤排水程度中等，有机质、磷和钾含量低（表2、3）。
The advance of wheat (Triticum aestivum L.) genotype diversity with high efficiency of nitrogen, phosphorus and potassium was summarized. 综述了小麦作物氮、磷、钾高效基因型差异所取得的研究进展；
This product can supply general dissolved Nitrogen, Phosphorus and Potassium, etc, thus to keep nourishment balance and physical function normal . 补充通常水溶性氮、、等，提供均衡的营养，维护生理正常。
Can significantly improve nitrogen, phosphorus and potassium utilization of chemical fertilizers, the activation of trace metal elements. 可以明显提高氮、磷、钾化学肥料的利用率及螯合活化微量金属元素的作用。
Compared with badlands under long term disturbance, four forest restoration types had significant effects in decreasing soil phosphorus and potassium loss. 与长期人类干扰下的荒坡地相比，各森林恢复类型均有减少和防止土壤磷、钾素流失的作用，以油茶林和天然次生林的效果优于湿地松林和杉木林。
Amounts of nitrogen, phosphorus and potassium absorbed by hybrid rice varied with soil fertility, climatic condition, variety and fertilization managements. 杂交水稻吸收氮、磷、钾数量随着土壤肥力、气候条件、品种和施肥管理而变。
Lin X Y,ZHang Y S,Cai M Z et al.Effects of phosphorus and potassium application on yield,quality,and storability of citurs fruits[J].Plant Nutr.Fert.Sci.,2006,12(1):82-88. [8]林成永;章永松;蔡妙珍;等.;磷、钾营养对柑桔果实产量、品质和贮藏性的影响[J]
The effects of different nitrogen, phosphorus and potassium levels on the growth development and photosynthetic pigment contents of Erigeron Breviscapus were studied. 摘要研究从氮、磷、钾不同水平对灯盏花生长发育和光合色素含量的影响，探讨灯盏花的营养特点。
The results showed that the index of organic matter, total nitrogen, total phosphorus, available Nitrogen, Phosphorus and Potassium in 16-year-old organic tea garden were higher than those of 10-year-old and 4-year-old. 结果表明，16年生有机茶园土壤在有机质、全氮、全磷、速效氮、速效钾等各项指标上均高于10年生和4年生有机茶园土壤。
The effects of four NK treatments on growth, tuber yield and quality, and uptake of nitrogen, phosphorus and potassium in potato (Solaxmn tuberosum L. cv. Gloden-crown) were studies. 本文研究了四个氮钾处理对马铃薯“金冠”品种植株生长、块茎产量与品质和氮磷钾吸收的影响.
It has been found out that the normal growth of Coptis chinensis is heavily affected and both NRA in leaves and berberine contents in rhizome are very low when seedlings are short of nitrogen,phosphorus and potassium. 氮、磷、钾缺乏都大大影响黄连植株的正常生长，叶片硝酸还原酶的活性和根茎小檗碱的含量都很低。
In this paper the pot experiment was conducted in order to study the application of the simplex centroid design in the combination of nitrogen,phosphorus and potassium fertilizers. 采用盆栽试验研究了混料设计中的单形重心设计在氮、磷、钾配比上的应用。
This product combines the active water-soluble humic acid, beneficial bacteria, nitrogen, phosphorus and potassium fertilizers, chelated metal trace elements, have the benefits of bio-enzyme. 本产品集水溶活性腐植酸、有益菌、氮磷钾肥料、螯合金属微量元素、有益生物酶为一体。
The vegetable soil developed from river alluvium had much higher nutrient contents in total phosphorus and potassium than that of the reddish vegetable soil developed from Quaternary Red Clay. 冲积菜园土的土壤全磷和全钾含量高于红菜园土。
Besides nitrogen, soil phosphorus and potassium show a significant positive relationship, and therefore fertilizer, especially nitrogen should be fertilized in revegetated abandoned land. 因此在草地植被恢复与重建工作中应注意肥料施用，特别是氮肥的施用。
Phosphorus and potassium mainly distributes in petiole at seedling stage, then phosphorus mainly distributed to first grade taro, while potassium mainly distributed to second grade taro. 发棵后期和球茎膨大期主要分配在芋球茎中，其中氮磷的分配率为子芋大于孙芋，而钾则是孙芋中分配多于子芋。