Results
In both 2002 and 2004 cropping seasons, all the legume cover crops had comparable stand establishment which were higher in 2002 than 2004 (Table 1). Mucuna preta and M. pruriens produced the highest ground cover, which was significantly higher than the cover produced by other legumes, at both 10 and 16WAP in 2002 (Table 2). However, M. preta produced the highest ground cover at 10WAP, while M. pruriens (var utilis) had the highest ground cover at 16WAP. In 2004, M. jaspeada produced the highest ground cover at both 10 and 16WAP (59.6 and 91.0% respectively). These values were however, not signi- ficantly different from those of the other legumes. Cover crop biomass was not significantly high at 10WAP (Table 2). Grass weed density was not positively affected by the legume cover crops in 2002 however, S. guianensis and P. phaseoloides plots in 2004 at 12WAP produced significantly low grass weed density (Table 3) while broadleaved weed density was gene- rally low in all the plots (Table 4). Grass weed biomass at 6 and 12WAP in 2002 was not significantly affected by the legume cover crops while in 2004, M. preta plots produced significant-
Results
In both 2002 and 2004 cropping seasons, all the legume cover crops had comparable stand establishment which were higher in 2002 than 2004 (Table 1). Mucuna preta and M. pruriens produced the highest ground cover, which was significantly higher than the cover produced by other legumes, at both 10 and 16WAP in 2002 (Table 2). However, M. preta produced the highest ground cover at 10WAP, while M. pruriens (var utilis) had the highest ground cover at 16WAP. In 2004, M. jaspeada produced the highest ground cover at both 10 and 16WAP (59.6 and 91.0% respectively). These values were however, not signi- ficantly different from those of the other legumes. Cover crop biomass was not significantly high at 10WAP (Table 2). Grass weed density was not positively affected by the legume cover crops in 2002 however, S. guianensis and P. phaseoloides plots in 2004 at 12WAP produced significantly low grass weed density (Table 3) while broadleaved weed density was gene- rally low in all the plots (Table 4). Grass weed biomass at 6 and 12WAP in 2002 was not significantly affected by the legume cover crops while in 2004, M. preta plots produced significant-
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