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Glyphosate-based herbicides on weeds management and maize performance under conservation agriculture practices in eastern Kenya

Author

Listed:
  • Alfred Micheni
  • David Mburu
  • Fred Kanampiu
  • Njue Mugai
  • Francis Kihanda

Abstract

A three-season research study was conducted at Embu Agricultural Research Station farm to determine the effect of glyphosate-based herbicides on weeds management and maize (Zea mays L.) performance under zero-tillage conservation agriculture practice. Glyphosate herbicide sprays were prepared from Roundup Turbo product at the rate of 2.5 L ha−1 and Roundup Weathermax at 1.5, 2.5 and 3.0 L ha−1 rates. Significant (p ≤ 0.05) differences in weeds management were observed under the tested rate of Roundup Turbo compared to un-weeded control plots. The average grain yield from conventionally tilled plots was 3.6 t ha−1. This did not differ significantly from those of herbicide-managed plots. Low-grain yield (0.1 t ha−1) was observed from un-weeded plots compared to those from zero-tilled plots that had also exhibited significantly (p ≤ 0.05) higher net-benefits. The study concluded that the application of herbicides improves weeds control and maize performance.

Suggested Citation

  • Alfred Micheni & David Mburu & Fred Kanampiu & Njue Mugai & Francis Kihanda, 2014. "Glyphosate-based herbicides on weeds management and maize performance under conservation agriculture practices in eastern Kenya," International Journal of Agricultural Resources, Governance and Ecology, Inderscience Enterprises Ltd, vol. 10(3), pages 257-268.
    • Handle: RePEc:ids:ijarge:v:10:y:2014:i:3:p:257-268
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