优化化肥  optimized fertilizer

侧阻力退化  friction fatigue

承载力退化  Strength deterioration

环境应力退化筛选  Environmental-Stress-Degradation-Screening(ESDS

抗力退化  resistance deterioration

老化性视力退化症  AMD

分化、退化与形成  Differentiation; retrogression and formation

碱化退化  Alkalinized and degraded

沙化退化土壤  sandy and degerated soil

15N标记化肥  15N labeled fertilizer

氨化肥料  Ammoniated fertelizer; ammoniated fertilizer

不同肥力  different nutritional levels; different fertility level; Different fertilizer

不同肥力土壤  Soils with different fertility

测土施肥化验室  Fertilizer and soil testing laboratory

长期肥力监测  Long-term monitoring of fertility

长期土壤肥力试验  Long-term soil fertility experiment

长效化肥  Controlled release chemical fertilizer; controlled availability fertilizer; long-effective chemical fertilizer

大化肥  large-scale chemical fertilizer; Big chemical fertilizer; large-scale fertilizer plant

大化肥厂  large scale chemical fertilizer plant