npk fertilizer meaning in English
氮磷钾肥料
Examples
- In order to build a suitable soil circumstance with fertility maintaining or even inproving , principles of rational fertilization , combining organic manure with npk fertilizers and consideration of land utilization , maintenance and protection should be taken
为了保持甚至改善土壤肥力以建立良好的土壤环境，要采用合理施肥、有机肥与氮磷钾化肥配合、综合考虑土地利用、维持和保护的原则。 - Compared with zero - fertilizer , only organic fertilizer , or chemical fertilizer applications , compound organic and chemical npk fertilizer applications greatly enhance soil microbial biomass in the whole corn growth period , increase the supply of soil nutrient and benefit soil fertility buildup
研究结果表明，与无肥、单施有机肥、单施化肥相比，有机肥与n 、 p 、 k肥配合施用能显著增加玉米各生育时期的土壤微生物量碳、氮，促进土壤微生物量显著增长，增强了土壤养分容量的供应强度，有利于培肥土壤。 - To meet the need of grain production , investigations such as property of nutrients uptake of high - yielding wheat , regularity of nutrient requirement of high - yielding maize , proper rate and ratio of npk fertilizers for high yields of wheat and maize , and rational rate and ratio of organic - n to inorganic - n in double cropping system have been conducted by shuming z . and yizhi l . et al . since 1980
为了满足粮食生产需要，自1980年以来，张漱茗和刘毅志等人就开始调查高产小麦养分吸收特性、高产玉米养分需求规律、高产小麦和玉米氮磷钾肥适宜用量和比例、一年两作制中有机氮和无机氮的合理用量和比例。