The loss rate of NPK is 8.71%, and is Minimum.
氮磷钾配施处理氮素损失率最低，为8.71%。
Strong superiority of NPK uptake in low and middle NPK supply levels.
在中低氮、磷、钾水平下，根系活力较强，吸肥优势明显，物质生产效率较高。
I know when the word fertilizer is mentioned, we usually refer to NPK fertilizers.
我知道，说到肥料，我们通常指的是氮磷钾。
The pilot test on a fluidized bed granulator for urea-based NPK production is presented.
介绍利用流化床造粒机生产尿基复合肥的中间试验情况。
A technological process is described for the manufacture of urea-based NPK compound fertilizers.
叙述了利用尿素制npk尿基复合肥料生产工艺。
Afterwards, wheat plant in the living mulch system had a rapid growth and with significantly NPK absorption.
此后，植体覆盖系统冬小麦生长和NPK吸收都有一个明显的飞跃。
Besides, applying fertilizer improved soil microbial biomass c, however, divergence between NPK and Ntreatment is not marked.
施用肥料能提高土壤微生物量碳的含量，但NPK处理与N处理差异不大。
In addition, the structure of ammoniator-granulator, and the operation condition for MAP, DAP and NPK fertilizers are explained.
同时阐述了转鼓氨化造粒机的构造以及用于生产MAP、DAP和NPK复合肥的条件。
It would appear (Table 2.) that the 1995 predicted needs could be met immediately by applying the known technology of balanced NPK fertilization.
从表2看来，应用已知的平衡施肥(NPK)技术现在就可达到1995年的需求量。
The highest sustainability of productivity was observed on the plots where equilibrium NPK chemical fertilizer and organic fertilizer were applied.
NPK化肥平衡施用以及NPK化肥与有机肥配合施用稻麦产量稳定，紫色土生产力的可持续性最强。
The production and process control of specialty fertilizer for tobacco in S-based NPK plant, achieved in Xingyuan Chemical Co. , Ltd, is presented.
介绍湖北宜都星原化工有限责任公司利用硫基氮磷钾装置生产各种规格烟草专用肥的操作和工艺控制。
The analysis to pollution criterion of NPK fertilizer plant shows that the current standards cannot cover all the limitation of pollutant discharges.
对NPK复合肥工厂污染物排放标准的分析表明：现行的有关标准不能涵盖其污染物排放的限制。
The contrastive experiments of organic inorganic compound fertilizer with NPK compound fertilizer was carried out by corn, rice, cowpea and Chinese cabbage.
在玉米、水稻、豇豆、小白菜四种作物上，进行有机无机复合肥与氮、磷、钾混合肥对比试验。
Results showed that long term application of NPK fertilizers or manure could increase soil biomass-N, especially the effect of manure on biomass-N was obvious.
结果表明，长期施用有机肥或化肥均能增加土壤生物量氮数量，尤以有机肥的作用明显。
The spraying of SFNS could improve the quality of farm product, promote the absorption and utilization of NPK and decrease the nitrate content in farm product.
使用专用叶面营养液具有改善农产品品质，提高养分吸收利用，降低硝酸盐的效果。
The product change from to ammonium nitrate to NPK complex fertilizer in the respects of raw materials, technical routes and production were given in this article.
对硝铵改产npk复肥的原料路线、技术路线及生产方法进行分析探讨。
The S-based NPK capacity enlargement leading to the increase of phosphogypsum in phosphoric acid production, mechanical faults occurred to the twin screw conveyor.
由于S NPK装置扩能，使磷酸生产的副产品磷石膏增加，致使输送磷石膏的双螺旋输送机常发生故障。
The input of NPK as either organic manures or chemical fertilizers not only greatly improved soil productivity but also was of benefit to the soil as a carbon sink.
试验结果表明：以有机肥或以化肥形式配合施用NPK不但可以极大提高土壤生产力，而且有益于增加土壤有机碳储量。
The results showed that maize straw returning field combined low amount N did not promote the accumulation of organic carbon significantly, as compared with NPK treatment.
结果表明：与NPK处理比较，玉米秸秆还田配施低量N肥没有显著促进黑土有机碳的积累。
The aef of kwas negative in nk treatment while increased rapidly in npk treatment after10-year crop cultivation; k was also one of critical limited nutrients for crop yield .
k的农学效率在试验进行10年后nk处理平均为负值，同期npk处理中小麦k的农学效率却急剧增加，k成为作物高产的限制因素；
The production technology for high-concentration sulphur-based NPK compound fertilizer is researched and conversion of potassium chloride, slurry and product properties are discussed.
对硫基氮磷钾高浓度复合肥生产工艺进行了研究，介绍了硫酸钾的转化率、料浆性质和产品性能。
An experiment was carried out to study the effect of NPK fertilizer, micro-element fertilizer, organic fertilizer application on the yield and nutrient quality of Alfalfa Medicago sativa l.
研究氮磷钾肥、微肥、有机肥三者配施对紫花苜蓿饲草产量和品质的影响。
The S-NPK is a high concentration ternary phosphate compound fertilizer warmly welcomed by the farmers which is developed in China and features low energy consumption and low production cost.
NPK低氯复合肥是我国自行开发，能耗低、成本低，深受农民欢迎的高浓度三元磷复肥。
In view of the nationally forbidden marketing on ammonium nitrate as chemical fertilizer, the nitro-based NPK process is put forward with raw material of ammonium nitrate by hemi-slurry technology.
由于国家禁止将硝铵作为化肥销售，提出用半料浆法将硝铵制成硝基NPK。
In view of the nationally forbidden marketing on ammonium nitrate as chemical fertilizer, the nitro-based NPK process is put forward with raw material of ammonium nitrate by hemi-slurry technology.
由于国家禁止将硝铵作为化肥销售，提出用半料浆法将硝铵制成硝基NPK。
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