Response of micro-dense bean varieties to           fertility and water harvesting technologies in               the semi-...
Justification• Moisture stress is major constraint within and  among seasons• Integrated soil fertility research not done ...
Objective of the experimentTo determine the effect of water harvestingtechniques and organic amendments on grainyield and...
Reason for the experiment• Harvest the water to increase yields and  provide solution for food insecurity and low  incomes...
Treatments Open furrows tied ridges flat ground cattle manureat 0 and 5 tons/ha
Results-overall effect of water     harvesting and manure on             grain yields T=tied rigdes,TM=tied with manure=op...
Results cont.• Water harvesting and manure In SR rains  increased grain yields by 34-47 %• Water harvesting and manure in ...
Results cont.Effect of water harvesting and manure on bean genotypes in short rains 2011.
• Water harvesting and manure increased  KAT B 1, NUA 1, and NUA 4 in SR 2011  grain yields by 41%, 61%, and 34%  respecti...
Effect of water harvesting and manure on bean    genotypes in the long rains season 2012
Results cont.• In LR 2012, bean grain yields for KAT B  1, NUA 1, and NUA 4 increased by 26%,  64% and 44% respectively.
Effect of water harvesting and manure onthree bean genotypes in short and long           rains 2011 and 2012.
Leaf Zn
Fe leaf analysis
Acknowledgements• Bioinnovate-Sida for financing the project• Director KARI for supporting us to carry  out the work• NCPD...
Way forward• Recommendations• Grain Fe and Zn analysis
ENDTHANKS FORLISTENING
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Response of micro-dense bean varieties to fertility and water harvesting technologies in the semi-arid areas of eastern Kenya

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Presented by S.N. Nguluu, D.R. Karanja, D. Macharia, J. Karanja, J. Kavoi, , Mwangi Gatheru at the First Bio-Innovate Regional Scientific Conference, Addis Ababa, Ethiopia, 25-27 February 2013


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Response of micro-dense bean varieties to fertility and water harvesting technologies in the semi-arid areas of eastern Kenya

  1. 1. Response of micro-dense bean varieties to fertility and water harvesting technologies in the semi-arid areas of eastern KenyaS.N. Nguluu, D.R. Karanja, D. Macharia, J. Karanja, J. Kavoi, , Mwangi Gatheru First Bio-Innovate Regional Scientific Conference United Nations Conference Centre (UNCC-ECA) Addis Ababa, Ethiopia, 25-27 February 2013
  2. 2. Justification• Moisture stress is major constraint within and among seasons• Integrated soil fertility research not done on micro-dense genotypes (Knowledge gap)• Bean yields on farm 90-150 kg/ha in SR 2011 and LR 2012.• Hence trial conducted in short rains 2011 and long rains 2012
  3. 3. Objective of the experimentTo determine the effect of water harvestingtechniques and organic amendments on grainyield and Fe and Zn concentration of threemarket preferred bean genotypes; namely:Katumani bean 1, NUA 1 and NUA 4.
  4. 4. Reason for the experiment• Harvest the water to increase yields and provide solution for food insecurity and low incomes• Reduce soil degradation by increasing nutrient depletion
  5. 5. Treatments Open furrows tied ridges flat ground cattle manureat 0 and 5 tons/ha
  6. 6. Results-overall effect of water harvesting and manure on grain yields T=tied rigdes,TM=tied with manure=open furrow,OM=open with manure, F=flat, FM=flat with manure
  7. 7. Results cont.• Water harvesting and manure In SR rains increased grain yields by 34-47 %• Water harvesting and manure in the LR 2012 increased bean grain yields by 39- 68%
  8. 8. Results cont.Effect of water harvesting and manure on bean genotypes in short rains 2011.
  9. 9. • Water harvesting and manure increased KAT B 1, NUA 1, and NUA 4 in SR 2011 grain yields by 41%, 61%, and 34% respectively.
  10. 10. Effect of water harvesting and manure on bean genotypes in the long rains season 2012
  11. 11. Results cont.• In LR 2012, bean grain yields for KAT B 1, NUA 1, and NUA 4 increased by 26%, 64% and 44% respectively.
  12. 12. Effect of water harvesting and manure onthree bean genotypes in short and long rains 2011 and 2012.
  13. 13. Leaf Zn
  14. 14. Fe leaf analysis
  15. 15. Acknowledgements• Bioinnovate-Sida for financing the project• Director KARI for supporting us to carry out the work• NCPD-CLUSA NGO for farmer mobilization when disseminating the technologies• Provincial Administration for farmers mobilisation to visit trials• Technical assistants KARI-Katumani
  16. 16. Way forward• Recommendations• Grain Fe and Zn analysis
  17. 17. ENDTHANKS FORLISTENING

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