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Soil residual activity and plantback periods for the herbicides saflufenacil and topramezone
New Zealand Plant Protection
To quantify soil residual activity and plantback periods for two maize herbicides saflufenacil and topramezone different rates were applied to a cultivated soil and samples (05 cm) collected at regular intervals for glasshouse bioassays Phytotoxic residues of saflufenacil applied at 17 g ai/ha the rate used for conservation tillage and pasture renovation persisted in the soil for lt; 2 weeks for the susceptible species viz white clover onion carrot and radish Residual activity from 102 g ai/hadoi:10.30843/nzpp.2014.67.5729 fatcat:e746es7pmbb2hjtuga5clt3yum