"Sixteen years counts as a long term experiment," explains Russell Hand of the University of Sheffield in England.
“16年就已经算是长期的实验了，”英国谢菲尔德大学的拉塞尔•汉德解释说。
The WUE increased respectively by 24.1% and 95.2% in NP treatment in two experiment; Comparing with long term experiment, the WUE in field comparison experiment increased by 46.5% to 290.0%.
两试验中氮磷配施的水分利用率分别提高了24.1%和95.2%，大田对比试验各处理的水分利用率较长期定位试验增加了46.5-290.0%。
This study determined infiltration into soils on black farmland under different tillage systems by long-term experiment.
通过田间长期定位试验，探讨了耕作措施对农田黑土耕层水分的影响。
The long-term experiment was in progress.
长期室温放置稳定性实验仍在进行中。
The paper analyzes the effect of rotation and fertilization on alfalfa productivity on the Loess Plateau based on a long-term experiment.
在长期定位试验的基础上，分析黄土高原地区轮作与施肥对苜蓿生产力的影响。
The paper analyzes the effect of rotation and fertilization on alfalfa productivity on the Loess Plateau based on a long-term experiment.
在长期定位试验的基础上，分析黄土高原地区轮作与施肥对苜蓿生产力的影响。
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