effects of water management and herbicide treatments on red rice control. | two field experiments were conducted in 1999 and 2000 at zeme (pavia, italy) to determine the effects of water managements and herbicide treatments on red rice control. in the first experiment, all plots were flooded 10-13 cm deep from april 1 to may 17 in 1999 and from april 3 to may 6 in 2000. at the same time, in the second experiment, the plots were alternately drained-flooded. at the end of water management, all plots of both experiments were drained and sprayed with herbicides to control t ... | 2002 | 12696411 |