园林学landscape architecture, garden ar-chitecture造园学garden making, landscape garden-ing环境园艺学environmental horticulture观赏园艺学ornamental horticulture园林艺术garden art园林美学garden aesthetics园林建筑学garden architecture园林建筑garden building园林工程garden engineering园林植物landscape plant观赏植物ornamental plant盆景miniature landscape, penjing园林garden and park园林学史history of garden architecture园林规划garden planning, landscaping planning园林设计garden design园林机具设备gardening machine园林管理garden management