Beltran, Jesusa C.; Pannell, David J.; Doole, Graeme J.; … - In: Agricultural Systems 112 (2012) C, pp. 1-10
programmes for the control of annual barnyardgrass (Echinochloa crus-galli complex) in Philippine rice farming systems. The main … density, the regular use of manual weeding is the most valuable primary form of weed control in rice farming systems, relative …