Although many of the more important weeds in annual crops are usually annual plants, some of the worst weeds are perennial plants, even in annual crops. In leys and other perennial crops where tillage is not accomplished every year, many types of perennial species...
CITATION STYLE
Håkansson, S. (1982). Multiplication, growth and persistence of perennial weeds. In Biology and ecology of weeds (pp. 123–135). Springer Netherlands. https://doi.org/10.1007/978-94-017-0916-3_11
Mendeley helps you to discover research relevant for your work.