A combination of cultural and chemical control practices works best in getting rid of this pest. Two new chemicals, in particular, show promise in preventing crabgrass seed germination and seedling establishment.
Roberts, Eliot C. and Pellett, Harold M.
"Yes, You Can Control Crabgrass!,"
Iowa Farm Science: Vol. 15
, Article 3.
Available at: http://lib.dr.iastate.edu/farmscience/vol15/iss10/3