Choose a fertilizer that contains nitrogen, phosphorus, and potassium.
选择含有氮，磷和钾的肥料。
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。
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。
The effect of potassium increased with increasing yield and nitrogen fertilizer.
钾肥效应随着产量和施氮量提高而增大。
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。
The yield increase of K fertilizer was quite high at two rates of nitrogen application, and it closely relative to the content of available K in soil and potassium application rate.
钾肥的增产效率在两种氮肥水平下都较高，单位钾肥的增产量与土壤有效钾含量及施钾量呈极显著负相关；
Nitrogen and potassium fertilizer enhanced the nutrient uptakes, and the translocation of ca and Mg from side leaves to heads.
氮肥和钾肥提高结球甘蓝养分元素的吸收数量，促进边叶钙和镁向叶球转移。
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。
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 principle and process of producing potassium-nitrogen compound fertilizer and aluminium hydroxide from potash alum are studied. Some problems are solved through the pilot test.
利用四川某含钾岩石制得的钾明矾进一步制备硫酸型钾氮肥和氢氧化铝，从原理、工艺等方面进行探讨，并通过中试解决了工业化生产所出现的问题。
The nitrogen, phosphor, potassium and other trace elements added for necessary of plants, it can be multi-functional and efficient liquid compound fertilizer complex.
配以植物所需的氮、磷、钾和微量元素后，可成为多功能、高效的液体复合肥。
The results indicated that net photosynthetic rate (Pn)of lettuces was increased by adding nitrogen and potassium fertilizer and light intensity.
通过盆栽试验研究了增施氮钾和光照强度对不同品种莴笋光合特性和产量的效应。
In cases where sewage sludge is used, expensive chemical fertilizer use can be avoided, he said. The sludge contains the same critical nutrients-nitrogen, phosphorous, and potassium.
有时候，人们用下水道污泥来代替昂贵的化学肥料，其中一样含有重要的营养成分——氮，磷和钾。
Quantitative study on the quantity of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer was conducted through three-element quadric orthogonal whirling combination design.
采用三因素二次正交旋转组合设计对氮、磷、钾肥的用量进行了定量研究。
And study the nitrogenous fertilizer response trial, phosphorous fertilizer response trial, potassium fertilizer response trial and nitrogen, phosphorous, potassium nutrition balance separately.
分别从氮肥效应试验、磷肥效应试验、钾肥效应试验和氮磷钾养分平衡进行了研究。
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。
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。
Available potassium and slow-released potassium contents were decreased, and total potassium content was changed insignificantly in the soil of mono-application of nitrogen fertilizer.
单施氮肥的土壤，速效钾、缓效钾含量均降低，全钾含量变化不明显。
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。
Nitrogen fertilizer and potassium fertilizer application both promoted the starch accumulation, but too much nitrogen fertilizer had a negative effect on the starch accumulation.
氮肥和钾肥均有促进淀粉积累的作用，但氮肥施用量过高时会抑制淀粉的积累。
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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