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 paper was done in the 26 years long-term fixed position experiment for to study the effects of fertilization on the physiologic characteristics and production of summer corn.
基于26年的长期定位试验，研究了施肥对夏玉米生理特性及产量品质的影响。
Based on the long-term fertilization experiment, this article studied the effects of different fertilizers on the quality of wheat and the content of amino acid.
在长期肥料定位试验的基础上，研究了施肥对小麦品质和籽粒氨基酸含量的影响。
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