• Seedlings must be selected carefully, obtaining them from tree nurseries recommended by the area forest officer.

    幼苗必须仔细挑选获得他们苗圃建议地区森林

    youdao

  • This research was carried out at the tree nurseries of both in the Forest farm and the Research Institute of Forestry subordinate to the Xi—jiang Forestry Bu'reau, Guangdong province, from 1985—1986.

    试验1985—1986年广东西江林业局下属林场林科所苗圃进行。通过年来探索,初步弄清了本地区苗圃地的杂草种类和密度;

    youdao

  • This research was carried out at the tree nurseries of both in the Forest farm and the Research Institute of Forestry subordinate to the Xi—jiang Forestry Bu'reau, Guangdong province, from 1985—1986.

    试验1985—1986年广东西江林业局下属林场林科所苗圃进行。通过年来探索,初步弄清了本地区苗圃地的杂草种类和密度;

    youdao

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