Choose a fertilizer that contains nitrogen, phosphorus, and potassium.
选择含有氮，磷和钾的肥料。
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 key period of element absorption was plantlet to visible bud stage. Potassium was more important than Nitrogen and Phosphorus for development of bulb.
植株营养吸收的关键时期为幼苗至现蕾期，鳞茎发育对钾营养的需求大于氮和磷。
Its composition containing: organic humus and nitrogen, phosphorus, potassium, calcium, magnesium, sulfur and iron, copper, zinc, boron, molybdenum and other trace elements.
它的成份含﹕有机腐殖质和氮、磷、钾、钙、镁、硫及铁、铜、锌、硼、钼等多种微量元素。
Macronutrients. The macronutrients essential for plants include carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, magnesium, and sulfur.
大量营养元素对植物来说所必需的大量元素包括碳、氢、氧、氮、磷、钾、镁和硫。
Generally, Cd could not decrease the contents and absorptions of nitrogen, phosphorus and potassium in ectomycorrhizal fungi mycelium.
总体来看，在现实条件下，镉不会显著降低外生菌根真菌菌丝体氮、磷、钾含量和吸收量。
The crops straw stalks contain lots of nitrogen, phosphorus, potassium and other trace elements.
农作物秸秆中含有大量氮、磷、钾及其他微量元素。
The balance analysis results of soil nutrient indicated that the fertilization methods of cropland management in Chengdu Plain were firming nitrogen, controlling phosphorus and increasing potassium.
土壤养分的平衡分析结果表明，成都平原耕地土壤管理宜采取“稳氮、控磷、增钾”的施肥方法和严格控制各种点源和非点源污染物进入土壤。
The absorption and distribution of nitrogen, phosphorus, potassium and growth characteristics of high-yield ginger were studied in this experiment.
通过田间试验研究了高产生姜生长特性及对氮、磷、钾的吸收分配规律。
The content of soil nutrients, especially available nitrogen, phosphorus and potassium is one of the important bases to instruct scientific fertilization.
土壤碱解氮、速效磷和速效钾等养分的含量是指导科学施肥的重要依据之一。
Applying potassium, boron and zinc could increase nitrogen, phosphorus, potassium, boron and zinc uptake of lily and large-headed atractylodes rhizome.
施钾、硼和锌肥能增进百合和白术的氮、磷、钾、硼和锌养分的吸收量。
And it could improve the contents of organic matter, alkali - hydrolyzable nitrogen, available phosphorus and potassium in soil.
土壤中的有机质、碱解氮、速效磷、速效钾的含量均比对照增加。
The analytical data revealed that the potential fertility of the dryland soils was rather low, such as nitrogen, phosphorus and potassium content in soil were deficient on the whole.
分析数据表明，该区旱地土壤潜在肥力较低，有机质含量差异较大，大部分土壤氮、磷、钾养分供应不足。
The effect of the level and proportion of nitrogen, phosphorus and potassium on the nutrition and industrial quality of wheat was studied with Yumai 34 and Zhengzhou 9023 as materials.
以豫麦34号和郑州9023为材料，研究了氮、磷、钾施用量及其配比对小麦营养品质和加工品质的影响。
Results showed that energy and materials input were mainly organic. There were surplus of nitrogen, phosphorus and potassium in the farmland soil pool.
结果表明：该农户生态系统能量和物质的投入均以有机为主，农田土壤库中氮、磷、钾均有盈余。
The field test and lab analysis were used to study the effect of fertilizing on contents of nitrogen, phosphorus, and potassium of soybean plants and the relation of yield and them.
采用田间试验和室内化验相结合的方法，研究施用化学氮磷钾肥对大豆植株氮磷钾含量的影响及植株氮磷钾含量与产量之间的关系。
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。
The results showed that the super absorbent polymers added in ammonium bicarbonate could obviously promote the absorption of nitrogen, phosphorus oxide and potassium oxide by maize plants.
田间小区试验结果表明，在碳酸氢铵肥料中配合施用适量高吸水性树脂，明显促进玉米植株对氮、磷、钾的吸收。
Potassium is a major nutrient in higher plants, which together with nitrogen and phosphorus is known as the "three essential factors" of plant nutrition.
钾是植物生长发育所必需的大量元素，是与氮、磷并列的植物营养的“三大要素”之一。
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。
The effects of nitrogen, phosphorus and potassium on yield are all parabolas that get down to openings, i. e. single factor effect, and all exist a most proper range.
氮、磷、钾对产量的影响即单因素效应均表现为开口向下的抛物线，均存在一个最适范围。
The nitrogen, phosphorus and potassium absorption capacity varied among different developing stages.
不同时期桔梗对氮、磷、钾的吸收量不同。
Fertilization to promote scientific grasp of nitrogen, phosphorus and potassium ratio and the amount of co-ordination.
提倡测土配方施肥，科学掌握氮、磷、钾的配合比例与用量。
The paper studied the effect of complex fertilizer to yield and nutrtion of nitrogen, phosphorus and potassium of soybean in this experiment.
通过田间试验及室内分析相结合的方法，研究了大豆专用复混肥对轮作、连作大豆氮、磷、钾营养及产量的影响。
Taking the high gluten wheat Linyou 145 as example the effect of the nitrogen, phosphorus, potassium fertilizer application on the yield and quality has been studied.
以强筋小麦临优145为研究对象，分析氮、磷、钾肥配施对其产量与品质的影响。
The influence of three fertilizer structures on the status of nitrogen, phosphorus and potassium in paddy soil derived from red earth was studied.
本文论述了三种肥料结构对红壤性水稻土氮磷钾养分状况的影响。
Nitrogen, phosphorus, potassium are essential macro elements to plant growth, and also commonly used fertilizer in agriculture.
其中氮、磷、钾是植物生长必需的大量元素，也是农业生产中常用的肥料。
Nitrogen, phosphorus, potassium are essential macro elements to plant growth, and also commonly used fertilizer in agriculture.
其中氮、磷、钾是植物生长必需的大量元素，也是农业生产中常用的肥料。
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