The present study has discovered th at soil texture had a great effect on bacterial wilt occurrence of tomato.
采用盆栽试验方法，研究了不同质地土壤条件下番茄青枯病的发生情况和土壤微生物的特征。
Based on the study of genetic operations and their parameters, emerging patterns of intron are discovered and some methods are proposed to develop the positive role and discard th...
通过对遗传操作方法和参数的研究，揭示出基因内区发生的规律，并提出扬长避短的途径。
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