Dose response of weeds to methyl iodide and methyl bromide

abutilon theophrasti amaranthus amaranthus retroflexus brassica bromuro de metilo california californie chemical control chenopodium chenopodium album cyperus esculentus cyperus rotundus escarda eua fumigant fumigantes fumigants fumigation du sol lolium multiflorum lutte chimique malezas mauvaise herbe methyl bromide methyl iodide portulaca oleracea soil fumigation solanum nigrum usa weed control weeds