Economic benefits of integrated weed management systems for field crops in the dark brown and black soil zones of western Canada.

Smith, E.G., Upadhyay, B.M., Blackshaw, R.E., Beckie, H.J., Harker, K.N., and Clayton, G.W. (2006). "Economic benefits of integrated weed management systems for field crops in the dark brown and black soil zones of western Canada.", Canadian Journal of Plant Science, 86(4), pp. 1273-1279.