When broadleaved species were planted only, the area percent of coniferous species was lower than the control.
随着阔叶树种造林比例的增加，阔叶树（蒙古栎）所占面积亦随之增加；
2
The controlling test was carried out to the annual and perennial broadleaved weed and shrub on forestland with 24% picloram Sc.
选用24%氨氯吡啶酸水剂，对林地一年生及多年生阔叶杂草、灌木进行防除试验。
3
The results showed that in 1985, mature broadleaved and coniferous forests occupied 68.52% of the forest resources, but in 1999, medium-age broadleaved and coniferous forests occupied 65.96%.