近年来,大叶相思在广东发展很快,已成为一些水土流失严重、土壤干旱贫瘠的崩山烂岭和沿海沙滩等恶劣立地的主要造林树种。据统计,到1982年底,全省大叶相思造林已达20万亩,1983年将发展15万亩。随着种子产量增加,可以预期今后还会有更大的发展。本文着重把大叶相思在澳大利亚原产 In recent years, the rapid development of Acacia australis in Guangdong has become a major afforestation tree species with severe soil erosion, poor soil arid barren hills and coastal beaches and other harsh sites. According to statistics, by the end of 1982, the afforestation of Acacia auriculata has reached 200,000 mu and that of 1983 will be 150,000 mu. As seed production increases, we can expect even greater growth in the future. This article focuses on the Acacia macrophylla native in Australia