The other, ignored HIV — highly invasive vegetation

@article{Gressel2009TheOI,
  title={The other, ignored HIV — highly invasive vegetation},
  author={Jonathan Gressel and Bernal E. Valverde},
  journal={Food Security},
  year={2009},
  volume={1},
  pages={463-478}
}
The greatest cost to the farmer in time and variable costs is control of weeds (Highly Invasive Vegetation = HIV). Despite farmer efforts, weeds still result in the greatest crop losses of all biotic constraints. The costs due to this HIV are greatest in the parts of the developing world where manual labor (more typically “femanual”) is used, and the populations are becoming more aged (due to youth abandoning agriculture), or more feeble due to debilitating diseases such as malaria and HIV-AIDS… CONTINUE READING

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