研究结果表明，冻融交替作用对黑土有机质、氮钾及酶活性产生重要的影响。
The experiments results show that the effect of alternative freezing and thawing has a great influence on the organic matter, nitrogen nutrition, potassium nutrition and soil enzyme activities.
在田间施肥时，氮钾的合理配比依据不同的葡萄品种和土壤肥力进行适当调整。
The rational fertilizers combination should be appropriately adjusted according to the different grape varieties and soil fertility conditions when applying fertilizers.
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。
The results indicated that net photosynthetic rate (Pn)of lettuces was increased by adding nitrogen and potassium fertilizer and light intensity.
上述研究结果说明，冻融交替作用对黑土土壤有机质、氮钾和酶活性产生重要影响。
The above results show that, the effect of alternative freezing and thawing has a great influence on the soil organic matter, soil nitrogen, soil potassium and some soil enzymes.
采用三因素五水平最优回归设计，研究了黄泥土配施氮钾硫肥对大白菜产量和硝酸盐含量的影响。
An optimum regression design with three factors and five levels was adopted to find the effects of n, K and s fertilizers on the yield of Chinese cabbage and the nitrate content in its plant.
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。
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.
结果表明，磷高效利用型玉米氮钾素吸收和干物质积累受低磷处理的影响较 小，表现出对 氮、钾的高效吸收。
Result showed that HPE maize performed a higher N and K absorption efficiency in low P regiment, its N, K absorption and dry matter accumulation were less affected by low P supply.
另外，增产效果与氮肥施用时期有关，在拔节期一次施氮效果最好，氮钾配施增产42 ．2 ％ ，单施氮增产25 ．9 ％ 。
To apply all the N fertilizer in jointing stage gave best results. The combined application of N and K can increase yield by 42.2%, and N only 25.9%.
为使人们能够吃上健康的无公害食品，采用三因素五水平最优回归设计，探讨了氮钾硫配方施肥对黄泥土萝卜产量和硝酸盐含量的影响。
An optimized regression design with three factors and five levels was adopted to study the effects of n, K and s fertilizers on the yield and nitrate content of radish.
选择含有氮，磷和钾的肥料。
Choose a fertilizer that contains nitrogen, phosphorus, and 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。
Ammonium sulfate is also used as a fertilizer (although in much higher concentrations), but it only contains nitrogen but neither phosphorus nor potassium.
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。
Its composition containing: organic humus and nitrogen, phosphorus, potassium, calcium, magnesium, sulfur and iron, copper, zinc, boron, molybdenum and other trace elements.
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。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
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。
Macronutrients. The macronutrients essential for plants include carbon, hydrogen, oxygen, nitrogen, phosphorus, potassium, magnesium, and sulfur.
试验采用二次回归“3414”完全方案设计，对高桥地区圆葱植株的氮、磷、钾含量及产量进行了分析。
By using "3414" fertilizer experiment method, the contents of n, p, K and yield of onion in Gaoqiao area were comprehensively analyzed.
肥料处理促进油菜对全氮、全磷、全钾的吸收。
Fertilizer handling accelerated the absorption of nitrogen, phosphorus and kalium in cole.
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。
Generally, Cd could not decrease the contents and absorptions of nitrogen, phosphorus and potassium in ectomycorrhizal fungi mycelium.
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。
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.
发酵液废弃菌渣中含有大量的氮、磷、钾、钙、镁、硫及多种微量元素，可谓作物提供丰富营养。
The dregs contain large quantities of N, P, K, Ca, Mg and trace elements, thus can provide abundant nutrition for crops.
在露地栽培条件下，研究了不同氮、钾、钙水平处理以及喷灌、畦灌对生菜钙吸收和干烧心的影响。
Ca absorption and tipburn of lettuce were studied under different application of n, k, ca, sprinkler irrigation and border irrigation in open field.
在盆栽试验条件下，研究了氮肥不同用量和氮、钾配施对大青菜产量、品质和生理指标的影响。
Pot experiment was conducted to study the effects of nitrogen and potassium on the yield quality and physiology indices of garden sass.
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 absorption and distribution of nitrogen, phosphorus, potassium and growth characteristics of high-yield ginger were studied in this experiment.
农作物秸秆中含有大量氮、磷、钾及其他微量元素。
The crops straw stalks contain lots of nitrogen, phosphorus, potassium and other trace elements.
利用化学分析法研究了高吸水性树脂对土壤中氮、磷、钾养分的影响。
The influence of super absorbent resin on nitrogen, phosphor and potassium in soil were studied.
氮、磷、钾浓度与萝卜的根冠比大小关系密切。
The R/T of radish was closely associated with N, P, K concentration.
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 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.
研究了夏播芝麻对氮、磷、钾等9种营养元素的吸收规律及其与干物质积累的关系。
The absorption rules of 9 kinds of nutrients and dry matter accumulation of summer sesame and their correlations were studied.
结果表明：苹果的产量和品质是叶片中氮、磷、钾、钙、镁、铁等元素综合作用的结果；
According to the results of experiment, spraying Calcium fertilizer can efficienttiy increase the yield and quality of Fuji apple.
结果表明：苹果的产量和品质是叶片中氮、磷、钾、钙、镁、铁等元素综合作用的结果；
According to the results of experiment, spraying Calcium fertilizer can efficienttiy increase the yield and quality of Fuji apple.
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