Choose a fertilizer that contains nitrogen, phosphorus, and potassium.
选择含有氮，磷和钾的肥料。
Fertilizer use differs from country to country, and from too little to too much. Nitrogen and phosphorus can produce big crops. But they can also pollute water and air.
肥料的使用因国而异，并且使用的多少也有差别。氮和磷能使作物长得粗壮。但同时也会对水和空气造成污染。
Task: Recover phosphorus and nitrogen from wastewater to make fertilizer.
目的：利用废水回收磷、氮，生产化肥。
Ammonium sulfate is also used as a fertilizer (although in much higher concentrations), but it only contains nitrogen but neither phosphorus nor potassium.
作为肥料应用的硫酸铵浓度会更高，但其中只有氮的成分，没有磷或钾。
Adding phosphorus and kalium fertilizer on the base of nitrogen was propitious to increasing protein content and decreasing oil content.
在施氮肥的基础上增施磷钾有利提高含油量，降低蛋白质含量。
For the future we should attach importance to organic fertilizer on farmland, control the dosage of nitrogen fertilizer, increase the proportion of phosphorus and add kalium fertilizer properly.
今后农田施肥，应当重视施用有机肥，控制氮素化肥用量，增加磷素养分比例，适当补施钾肥。
Fertilizer handling accelerated the absorption of nitrogen, phosphorus and kalium in cole.
肥料处理促进油菜对全氮、全磷、全钾的吸收。
Being rich in the organic matter, nitrogen, and phosphorus, livestock wastes are usually used as a fertilizer for plantation.
畜禽养殖废弃物中有机质、氮、磷丰富，通常用作肥料。
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。
Only using boron fertilizer in field did not significantly increase sesame yield, but applying boron fertilizer coordinated with nitrogen and phosphorus had greatly increased the yield.
田间试验结果，单施硼肥增产不显著，而在适量氮肥和磷肥的基础上配合施用硼肥能显著地增加芝麻的产量。
Nitrogen phosphorus chemical fertilizer combined organic improve yield, more ideal way of fertilizing. But should pay attention to the plain supplement of potassium at the same time.
氮磷化肥配施有机肥具有持续提高产量、培肥土壤的双重效果，是砂姜黑土培肥改良较理想的施肥方式，但同时要注意钾素的补充。
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 fertilizer and compound fertilizer are suitable for the seeding period, while compound fertilizer, phosphorus and potassium fertilizers are suitable for the period of root forming.
苗期适用氮肥及复合肥，块根形成期适用复合肥及磷钾肥。
The effect of different nitrogen fertilizers on dynamic transformation of phosphorus fertilizer in paddy soil under flooding condition was studied in indoor incubation experiments.
利用室内土培试验研究了淹水条件下不同氮肥对水稻土（黄泥土）中磷肥转化的动态影响。
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。
This paper studies the effect of nitrogen and phosphorus fertilizer on yield and forage quality of sequential cropping silage maize.
研究了不同氮磷肥处理对复播青贮玉米产量及其饲用品质的影响。
Ginger specific humic acid fertilizer increased the soil organic matter content, total nitrogen content, available nitrogen content, available phosphorus content.
生姜专用腐植酸复混肥提高了土壤有机质含量，土壤全氮、碱解氮和速效磷含量。
Three strains of bacillus, which could fix nitrogen and dissolve phosphorus and potassium separately, were chosen for producing microbial fertilizer.
选择了三株分别具有固氮、溶磷和解钾功能的芽孢杆菌生产菌肥。
It was significant to study the nitrogen and phosphorus losses from surface runoff in double cropping rice filed for guiding the rational fertilizer and protecting water environment.
研究双季稻田不同施肥量处理的氮磷降雨径流损失规律，对于指导双季稻合理施肥、保护水环境具有重要的现实意义。
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。
The invention relates to a slow-release type nitrogen-phosphorus-potassium composite fertilizer and a production method thereof, belonging to a composite fertilizer with slow-release type nutrient.
本发明是一种缓慢释放型氮磷钾复合肥料及其生产方法。属于营养成分缓 慢释放的混合肥料。
The invention relates to a slow-release type nitrogen-phosphorus-potassium composite fertilizer and a production method thereof, belonging to a composite fertilizer with slow-release type nutrient.
本发明是一种缓慢释放型氮磷钾复合肥料及其生产方法。属于营养成分缓 慢释放的混合肥料。
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