Weed Management in African Rice-based Cropping Systems Across ecosystems

  title={Weed Management in African Rice-based Cropping Systems Across ecosystems},
  author={Jonne Rodenburg and David E. Johnson},
In sub-Saharan Africa (SSA), weeds are estimated to account for rice yield losses of at least 2.2 million tonnes (Mt) per year (Rodenburg and Johnson, 2009). Combined with costs of weed control, the financial losses easily surpass half the cost of current regional rice imports. If not controlled, weeds cause yield losses in the range of 28–74% in transplanted lowland rice, 28–89% in direct-seeded lowland rice and 48–100% in upland rice (Rodenburg and Johnson, 2009). In West Africa, it has been… CONTINUE READING


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