上思县叫安乡那当村速生丰产短期工业用材林基地是绿色工程示范基地之一，也是该县与广西林科院“县院合作”的造林示范点，总面积2 370亩，其中马占相思2 220亩，尾叶桉150亩，总投资73万多元。马占相思和尾叶桉均于2000年4月份完成定植。目前林木长势良好，马占相思幼树平均 Shangsi County called Anxiang Nadang village fast growing short-term industrial timber forest base is one of green demonstration bases, and the county and Guangxi Academy of Forestry “county cooperation” afforestation demonstration site, with a total area of ​​2 370 acres, of which the horse Acacia 2 220 mus, Eucalyptus leaves 150 acres, a total investment of 730,000 yuan. Acacia mangium and Eucalyptus urophylla were all planted in April 2000. At present, trees grow well and Acacia mangium average