磷钾肥

采用N、P、K三因素肥料试验研究了氮磷钾肥配施对退化人工草地的增产效应以及土壤养分含量的影响。

The fertilizer effect and soil nutrient dynamics were studied by three factor fertilizer experiment .

淹水条件下不同氮磷钾肥对土壤pH和镉有效性的影响研究

Effect of Different N , P and K Fertilizers on Soil pH and Available Cd Under Waterlogged Conditions

在磷钾肥基础上配施氮肥对果实的干物重及吸氮量没有明显的作用，但可以提高番茄Vc含量；

Application of nitrogen fertilizer did not raise the uptake and fruit dry weight of tomato , but added the vitamin C content of fruit .

同一取样时期，各处理间酶活性差异较大，NRA活性随氮磷钾肥施用量的增加而提高。

At the same sampling date , the difference of treatments were great , The enzymatic activity of NRA increased as the quantity of nitrogen phosphorus and potassium application increased .

在施用氮磷钾肥的基础上，盛长期喷施BRs增产5.3%，苗期喷施BRs增产6.3%；

Basing on applying N , P and K treatment , yield increased 5.3 % and 6.3 % when sprayed BRs in fast-growing stage and seedling stage respectively ;

试验结果：生活污泥对生物量的提高可达极显著水平，当施用60t／hm2污泥种植苏丹草时，比只施磷钾肥干物质量增加332%；

The test results that , the biomass can be remarkably improved through application of living sludge . Dry mass can be increased by 332 % through application of 60t / hm 2 sludge for plantation of beefsteak plant than through application of only phosphate and potash fertilizers ;

以此为依据，1996年无锡市氮磷钾肥的合理投入量分别是488.9、113.1和235.1kg·hm-2；

On the basis of nutrient balance , the reasonable nitrogen , phosphorus and potassium fertilizer application amount was 488.9 , 113.1 and 235.1 kg · hm - 2 in Wuxi , and 499.4 , 112.5 and 234.2 kg · hm - 2 in Changzhou paddy fields , respectively .

明确了氮磷钾肥与硒肥配合施用是获得优质富硒马铃薯的关键技术，在关键时期喷施适量硒肥可以使块茎硒含量达到0.1～0.3mg/kg的富硒水平。

And coordinative applying NPK and Selenium fertilizer is the critical technique to get high quality and Se-enriched potato . The Se-contents of tuber come to Se-enriched level at 0.1mg / kg ~ 0.3mg/kg through foliar application of appropriate Selenium fertilizer at the critical stage .

通过采用二次饱和D-最优设计（311B方案设计），建立了氮磷钾肥与水稻产量的数学模型，经检验该模型可靠。

Then with urea increase , yield start decrease . By quadratic saturation D optima design , set up math model of N , P , K fertilizers applied and yield , by test , the model is reliable .

氮磷钾肥水平对柠檬产量和流胶病的影响

Influences of nitrogen , phosphorus and potassium on the production and

氮磷钾肥配合施用对甘薯的增产效果

Effect of NPK fertilizer application on the yield of sweet potato

花生-甘薯轮作制中磷钾肥施肥模型研究

Phosphate and Potassium Fertilizer Application Model in Peanut and Sweet Potato Rotation

施钾和磷钾肥混施对紫花苜蓿种子质量的影响

Effects of Phosphorus and Potassium Application on Alfalfa Seed Quality

结果表明：氮磷钾肥是主要的影响因素；

Results indicated that NPK fertilizer was a major factor .

磷钾肥对强筋小麦产量和品质的影响

Impact on Yield and Quality of Strong Gluten Wheat of Phosphorus Potassium

水稻磷钾肥运筹的知识模型研究烤烟磷、钾肥试验简报

A Knowledge Model for Design of Suitable Phosphorus and Potassium Fertilization in Rice

氮磷钾肥对西瓜产量及品质的影响研究

Influence of Nitrogen , Phosphorus and Potassium on Production and Qualify of Watermelon

氮磷钾肥配合施用对甜菜的效应

The Effect of Applying Mixed NPK Fertilizers to beet

晋西南山区马铃薯氮磷钾肥肥效及合理施用

The Rational Application of N-P-K Fertilizer to Potatoes in Southwest Shanxi Mountain Areas

结球甘蓝平衡施用氮磷钾肥效应研究

Response of headed cabbage to NPK balanced fertilization

氮磷钾肥对稻麦增产效果研究

Effect of Nitrogen Phosphate and Potassium Fertilizers on Yield of Rice and Wheat Crops

同时，试验表明增施磷钾肥的不同处理增产提质效果不同。

But the increased production amounts differ each other by applying different fertilization measures .

氮磷钾肥运筹对水稻子粒蛋白质和氨基酸含量的影响

Effect of NPK fertilizer management on protein and amino acid contents of rice grain

滇中温凉坝子啤酒大麦氮磷钾肥效应研究

Effects of NPK on Beer Brewing Barley in the cool basin on central Yunnan Plateau

氮磷钾肥对烟草根结线虫病抗性研究

Preliminary Studies on the Resistance of N , P and K on Tobacco Root-knot Nematodes

长沙市郊区芥兰施用氮磷钾肥的效应研究

Fertilizer Effects of Nitrogen , Phosphate and Potash Fertilizer on Kale in Changsha City Suburb

氮磷钾肥对红油大板栗树体养分及产量的影响

Effect of applying the nitrogen phosphate kalium on nutrient condition and yield of chestnut plant

石蒜鳞茎栽培中施用氮磷钾肥的效应

The effects of N , P and K fertilizer applied in plantation of Lycoris radiata

茎用莴苣施用氮磷钾肥的效应分析

Effect and Analysis on Response of Lettuce Equilibrium Fertilization with N , P and K

黄秋葵增施磷钾肥及盖草田间效果试验

Field Effect Experiment on Applying Potash Fertilizer and Covering Grass in Cultivation of Edible Abelmoschus