Zhenghao Xu is a professor of environmental and resource sciences at Zhejiang University, China. He graduated from Zhejiang Agricultural University, China in 1985 and completed his Master's degree at the same university in [...] subsequently engaged in weed research work at China Rice Research Institute for more than 10 years. He received his Ph.D. in Agriculture from China Agricultural University in 2003 and finished his post-doctoral research at Zhejiang University, China in 2006. His research chiefly focuses on weed management, biological invasion and allelopathy. Dr. Xu has published over 40 papers and 7 books, mainly dealing with weed research, control of invasive species and allelopathic mechanisms. He was recently honored with 4 Science and Technology Progress Awards in Zhejiang, China.

Hangying Qi graduated from Zhejiang Agricultural University, China in 1989. Her research focuses on crop science, weed management and invasive species. Shehas published over 23 papers and 5 books, mainly dealing with weed management in paddy fields, invasive weeds in China and the mechanisms influencing crop yield. She has won 14 Science and Technology Progress Awards in Zhejiang, China.

Illustrates weeds with clear photos in different plant growth periods to facilitate the identification

Provides effective and practical control measurements for the specific type of weeds

Covers weed management not only in agriculture, but also in forestry and quarantine inspection fields

198 Species in Dicotyledonous Class within 20 Families.- 54 Species in Monocotyledonous Class within 20 Families.- 1 Species of Liverworts within 1 Family.- 1 Species of Mosses within 1 Family.