African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 774

Full Length Research Paper

Conservation agriculture-based Zea mays (maize)-Phaseolus vulgaris (common bean) cropping systems in South Central Ethiopia

Goshime Muluneh Mekasha
  • Goshime Muluneh Mekasha
  • Hawassa Maize Research Sub-Centre, Ethiopian Institute of Agricultural Research, P. O. Box 845, Hawassa, Ethiopia.
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Solomon Admassu Seyoum
  • Solomon Admassu Seyoum
  • Center for Crop Science, Queensland Alliance for Agriculture and Food Innovation (QAAFI), the University of Queensland, Gatton, QLD 4343, Australia.
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Walter Tamuka Mupangwa
  • Walter Tamuka Mupangwa
  • International Maize and Wheat Improvement Center (CIMMYT), Shola Campus, ILRI, P. O. Box 5689, Addis Ababa, Ethiopia.
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Alemayehu Zemede Lemma
  • Alemayehu Zemede Lemma
  • Hawassa Maize Research Sub-Centre, Ethiopian Institute of Agricultural Research, P. O. Box 845, Hawassa, Ethiopia.
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Haimanot Beruk Senbeta
  • Haimanot Beruk Senbeta
  • Hawassa Maize Research Sub-Centre, Ethiopian Institute of Agricultural Research, P. O. Box 845, Hawassa, Ethiopia.
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Mamud Aman Tello
  • Mamud Aman Tello
  • Hawassa Maize Research Sub-Centre, Ethiopian Institute of Agricultural Research, P. O. Box 845, Hawassa, Ethiopia.
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Mesele Haile Onu
  • Mesele Haile Onu
  • Hawassa Maize Research Sub-Centre, Ethiopian Institute of Agricultural Research, P. O. Box 845, Hawassa, Ethiopia.
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Tesfaye Hailu Estifanose
  • Tesfaye Hailu Estifanose
  • Hydraulics and Hydro Power Engineering, Wolaita Sodo University, P. O. Box 138, Sodo, Ethiopia.
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  •  Received: 11 April 2021
  •  Accepted: 14 June 2021
  •  Published: 30 June 2021

Abstract

Conservation agriculture (CA) is defined as sustainable agriculture production system comprising a set of farming practices. The experiment was conducted at three districts from 2011 to 2016 at five farmers’ field they considered as replicate. The experiment consisted of five treatments (continuous sole maize, maize bean rotation, maize-bean inter-cropping, bean rotation under CA and farmer practice). Maize yield and yield related traits and soil water data were collected from each site. Soil moisture content under CA practices was higher than the farmer practice. At East-Badawacho and Meskan grain yield was higher by 4 and 8% in CA compared with farmer practice, respectively. Maize bean rotation and sole maize under CA out yielded the farmer practice by 13 and 4%, respectively but inter-cropping had 5% lower grain yield. At Hawassa-Zuriya, CA maize bean rotation had higher yield than farmer practice in 2011 and 2013. Maize-bean inter-cropping, maize bean rotation and sole maize under CA had 10, 8 and 6% higher grain yield than farmer practice, respectively. Common bean grain yield from bean rotation under CA had 2799, 2908, and 3226 kg ha-1, from inter cropping bean grain yield of 817, 1065 and 927 kg ha-1 obtained at East-Badawacho, Hawassa-Zuriya and Meskan districts, respectively. Generally, CA cropping systems had drought stress reduction potential and greater yields compared with farmer practice.

 

Key words: Farmer-practice, sole-maize, rotation, inter-cropping, rift-valley.