‘Zijin' is a new Iris cultivar. The height of biennial plants is 40–60 cm. It has slender leaves with length of 40–60 cm and width of 3–6 mm. The length of scapes is 30–50 cm,with 1–3 flower bud numbers. Its flower diameter is 5–7 cm with pale purple petals,flowering period from May to June. The cultivar has strong resistance and high ornamental value. It is with low seed-setting.

＇Xuanjing＇is a new hemerocallis cultivar with full double edge.The average height of plants is 87.5 cm.It has large and thick leaves,single golden flower and strong growth potential.The petal number range from 8 to 12.It＇s flower diameter is 10.2-11.9 cm,flowering period from July to August.The cultivar has strong resistance and high ornamental value.It is with low seed-setting.

The Youpingle-efficiency experiment on control of the main weeds in gramineous lawn was carried out.The results show that for every 667m2 lawn with Youpingle 90-120g can effectively control on nightshade,dallies grass,shepherd's purse,herba polygoni avicularis,amaranth,chenopodium album and etc.Youpingle was used before the unearthed weeds on the lawn and sprayed with water 25-30kg,and may be widely applied in production.

本文认为园林设计建设的最终目的是要创造出景色如画、环境舒适、健康文明的游憩境域。并在设计建设过程中注意到几个原则,并应当运用对比与融合和生态与数字化运用两个技巧达到目的。