Especially xifong 6 was higher 30% than ck Cathay Poplar. It was 2.65 times than the location covered film Xinjiang Poplar,99.2cm. It was 1.75 times than the location covered film Cathay Poplar,150cm.

• 通过西丰杨的引种试验,引进西丰杨高生长均明显大于对照青杨,尤其是西丰杨6号比对照青杨高生长量高出30 3%25,是当地新育地膜新疆杨99 2cm的2 65倍,是当地地膜青杨150cm的1 75倍,树种的优越性表现突出。