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Gross margin analysis - rhizobium trials Samlaut 2008

Gross margin analysis - rhizobium trials Samlaut 2008. Presented by Keo Kynal For Fiona Scott. Assumptions. riel US$ Urea per kg 3,360 $0.82 Planting (person day) 12,750 $3.11 Weeding (person day) 12,667 $3.09 Maize harvest (60 kg bag) 3,000 $0.73

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Gross margin analysis - rhizobium trials Samlaut 2008

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  1. Gross margin analysis - rhizobium trials Samlaut 2008 Presented by Keo Kynal For Fiona Scott

  2. Assumptions riel US$ Urea per kg 3,360 $0.82 Planting (person day) 12,750 $3.11 Weeding (person day) 12,667 $3.09 Maize harvest (60 kg bag) 3,000 $0.73 Harvesting (person day) 12,750 $3.11 Threshing (person day) 13,333 $3.25 Rhizobium cost (ha) $5.00

  3. Seed prices riel/kg $/kg Maize 14,781 $3.61 Soybean 2,998 $0.73 Mungbean 3,125 $0.76 Peanut 4,733 $1.15

  4. Grain prices riel/kg $/kg $/t Maize 418 0.10 101.83 Soybean 1,733 0.42 422.76 Mungbean 2,138 0.52 521.34 Peanut 2,325 0.57 567.07

  5. Peanut harvest and threshing costs (people per ha per day) Yield Harvest Threshing Cost/ha ($) < 2 6 5 34.90 2-2.5 7 6 41.30 2.5-3 8 7 47.60 3-3.5 9 8 54.00 3.5-4 10 9 60.40 4-4.5 11 10 66.70 4.5-5 12 11 73.10 >5 13 12 79.50

  6. Peanut input costs Operation Unit Unit No Value value of units riel $ First ploughing rai 40,000 6.25 250,000 60.98 Second plough rai 25,000 6.25 156,250 38.11 Seed kg 4,733 110 520,667 126.99 Planting p/d 12,750 10 127,500 31.10 1st weeding p/d 12,667 20 253,333 61.79 2nd weeding p/d 12,667 20 253,333 61.79 3rd weeding p/d 12,667 20 253,333 61.79 442.54 Harvest & threshing costs are not included here since they vary with yield

  7. Soybean

  8. Mungbean

  9. Peanut

  10. Issues Site 1 was damaged by pig and chicken – too close to house Site 2 may have been high fertility (no nitrate test) – soybean does not respond to inoculation under these conditions

  11. Conclusions Gross margins: peanut ($1,500-2,000/ha)  mungbean ($690-871)  soybean ($230-300/ha)  Rhizobium inoculation increased peanut GM by $613/ha Rhizobium inoculation increased mungbean GM by $181/ha Soybean did not respond to inoculation (see issues) Small farmers have given up on mungbean because of high harvest and threshing costs and low yields

  12. Thank you

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