long-term fertilization 长期施肥 ; 长期定位施肥
long-term fertilization trail 长期定位试验
long term fertilization trial 长期肥料试验
long-term fertilization regime 长期定位施肥
different long-term fertilization 长期不同施肥制度
Long-term fertilization experiment 长期施肥试验
long term fertilization experiment 长期定位肥料试验
long-term fertilization experiments 长期定位施肥试验
a long-term fertilization trail 长期定位施肥试验
a long-term fertilization experiment 长期肥料定位试验条件下
A long term fertilization experiment has been carried out for 20 year on fluvio aguic soil.
本文以在潮土进行的2 0年的长期肥料试验为例进行研究。
The results showed that long term fertilization affected not only the content and composition of soil humus, but also the physicochemical property of the soil humus.
结果表明，长期施肥不仅影响土壤腐殖质的含量与组成，还影响腐殖质的理化性质。
A research about effects of long term fixed fertilization on dry land soil water in Loess Plateau showed that long term fertilization has significant influence on soil water.
针对黄土高原旱地长期施肥对土壤水分状况的影响进行研究。
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