Some factors affecting the disappearance of tordon in soil

Moffat, R.W.

Down Earth 23(4): 6-10


Accession: 025482551

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Tordon herbicide has proven effective for control of perennial broad-leaved and woody weeds. It has high effectivity at low dosages as a foliar spray and as a soil treatment. Application at low rates, up to 2 oz./acre for crop and pasture weed control presents no significant hazard to clovers (which, with other legumes, are very sensitive to it) seeded after the crop is harvested or in the autumn following soring application. Heavy applications are likely to prove toxic to sensitive leguminous plants up to a year or more. Disappearance from the soil is attributed to leaching and microbial degradation.