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STUDIES ON THE BIONOMICS AND CONTROL METHODS OF PHLOSSA JIANNINGANA YANG ET JIANG STUDY ON THE SPATIAL PATTERN OF COCOON OF NEODIPRION XIANGYUNICUS Effect of nitrogen and potassium combined application on mulberry (Morus atropurpurea Roxb.) leaf yield and quality,and silk cocoon quality Effect of transgenic pest-resistant cotton on the growth, reproductionand SOD activity of Eisenia foetida