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Integrated long term herbicidal weed and nitrogen management in transplanted rice-rice cropping syst
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杉木是我国南方分布最广也最重要的速生用材树种，栽培面积达４４９．８万ｈｍ２，占全国人工林面积的２３．９％，蓄积量的２８．２％，居各树种之首位［１］。然而，杉木对气候、土壤有......
