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Results Of Field Experiments In PAILIN - CARE

Results Of Field Experiments In PAILIN - CARE. Presented by Mr Touch Van. The CARE Project Team. Mr Em Sophoeun, Mr Sok Sea, Mr Touch Van, and Mr Li Bunthoeun. Field Trials In MWS 2008. Maize Fertiliser Trials Legume Rhizobium Trials. Rhizobium inoculation of soybean, mungbean and peanut.

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Results Of Field Experiments In PAILIN - CARE

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  1. Results Of Field Experiments In PAILIN - CARE Presented by Mr Touch Van

  2. The CARE Project Team Mr Em Sophoeun, Mr Sok Sea, Mr Touch Van, and Mr Li Bunthoeun

  3. Field Trials In MWS 2008 • Maize Fertiliser Trials • Legume Rhizobium Trials

  4. Rhizobium inoculation of soybean, mungbean and peanut

  5. What We Did Four Legume Rhizobium Trials located in 4 villages, one in each cluster: • Bortaisour • O’ra el • Spong • Presantas

  6. Urea at 87 kg/ha = 40 kg/ha N. Treatments

  7. Results • Soybean failed due to poor seed • The response to N was variable • There was a significant positive response to RH for MB and PN at all sites

  8. 15% increase 30% increase Effect of rhizobium inoculation on yield of mungbean and peanut

  9. Maize Trials

  10. What we did • Four Maize Nitrogen Trials located in 4 villages, one in each cluster : • Bortaisour • O’ra el • Spong • Presantas

  11. Maize treatments

  12. Maize yield results • The response to N was inconsistent and variable • The late topdressing was applied too late • Soil nitrate tests should be used to select low fertility sites for trials

  13. Lessons learnt: legume • Soybean • Need certified and good seeds • Need pesticide to protect while the flowering & fruiting • Mungbean • Rain can affect grain quality (Disease problems) • Difficult to harvest in a couple of different times • Peanut • Late to harvest, some peanut seeds can germinate in the ground • Difficult to harvest and require high labours (150 persons/day)

  14. Lessons learnt: maize • Weed management • (Timing, technique) • Water logging • (one site affected by water logging) • Urea Application • (2nd time application seem to be late) • (Low response to Urea because soil fertility seems to be high)

  15. What next – EWS 2009 • Baseline soil survey (50 farm fields) • Continue rhizobium trials – 4 sites • (replicated, otherwise same design as 2008) • Maize nitrogen trials – 4 sites • (replicated, more rates, early topdressing only) • Long-term rotation experiment – 1 site: • Continuous maize – exploitive local practice • Continuous maize – chemical fertiliser • Mungbean (EWS) Maize (MWS) – biological system 1 • Maize (EWS) Soybean (MWS) – biological system 2

  16. Thank you

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