1.Under the density of 200 plants per square meter for the green bristlegrass, the increase degree of these three turf heights decreased as the density of green bristlegrass increased.
2.‘Excalibur’ was the best one of 4 varieties of perennial ryegrass, ‘Top hat’could form dense turf, be deeply green, but easy to be infected by rust, ‘Taya’ and ‘Sakini’ had common adaptability and density is better in growth season than that in non growth season.
3.Kentucky bluegrass (Poa pratensis.L) has been widely used for turf establishment in golf course, playing fields, courtyard and airport, because there are long-green periods, soft-qualities, brilliant-colors, strong cold-tolerance and great tiller density.
草地早熟禾(Poa pratensi L.) 以其绿期长、质地优良、色泽青翠、抗寒性强、稠密度大等特点而被广泛用于高尔夫球场及其它各类运动场、庭院和机场绿化的草坪建植。收藏指正