Siyar, S.; Chaudhry, Z.; Majeed, A.
("Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary Medicine, Iași, 2017-12-27)
Weed incursion in cultivated
fields is a serious biological problem, which
causes considerable yield losses of
economically important field crops through
allelopathy and competitive interactions.
Spotted knapweed ...