乡土与外来 9：1 《意见》要求以乡土树种为主，乡土树种与外来树种比例建议为9：1，其中选取推荐了百余种乡土乔木，特别强调突出市树银杏、市花木芙蓉的使用及搭配要求。 成都商报记者日前从市...
native and exotic 9:1 "opinion" calls for dominated by native species, native and exotic species is the recommended ratio is 9:1, including selecting the recommended the over a hundred species of native trees, with particular emphasis on the use of prominent city tree ginkgo, city flower hibiscus and collocation requirements. Chengdu Business Daily reporter recently from the city...
