Research and technology options for increasing crop yields and enhancing soil fertility
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Research and technology options for increasing crop yields and enhancing soil fertility

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Presentation by Professor Aggrey Abate, Vice Chancellor of University of Juba, South Sudan to ACIAR

Presentation by Professor Aggrey Abate, Vice Chancellor of University of Juba, South Sudan to ACIAR

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Research and technology options for increasing crop yields and enhancing soil fertility Research and technology options for increasing crop yields and enhancing soil fertility Presentation Transcript

  • Research and technology options for increasing crop yields and enhancing soil fertility By A.L. Abate University of Juba
  • South Sudan Eco-Zones  Potentially arable land 195,000 km2 (30%)  Grazing land 260,000 km2 (40%)  Heavily forested 146,000 km2 (23%)  Swamps & water 45,000 km2 (7%) surfaces
  • South Sudan Eco-zones & Human Activities  Arid Belt Gum collection and marketing  Green Belt Agriculture e.g. tea, palm oil, food crops  Flood plains Mainly cattle keeping; some agriculture  Hills & Mountains Mixed agriculture  Ironstone Plateau Predominantly agriculture with livestock  Nile/Sobat corridor Cattle and fish
  • Consequences of two Wars on South Sudan Agriculture • Loss of germ plasm • Loss of farming skills • Loss of interest in farming • Development of alternative sources of livelihood
  • Recent statistics  More than 80% of cereal production grown by traditional methods  90% of agricultural production is rain fed  Crop failures are common  Overall, very low crop yields  between 10 to 30 % in Eastern Equatoria  between 1 to 10 bags of 50 kg maize per acre in parts of Western Equatoria  Total lack of quality seeds  Flooding prevents planting in Northern Bahr el Ghazal
  • Performance indicators of South Sudan agriculture Parameter South Sudan Kenya Uganda Rural share of population, % 99.9? 67 86 Arable land of land area, % 30.0 7.0 25.7 Arable land per capita, ha 6.4 0.14 0.24 Irrigated land of cropland, % ? 1.5 0.1 Fertilizer use, 100g ha-1 of arable 0 346 6.0 land
  • RESEARCH OPTIONS FOR SOUTH SUDAN  Action Research On-farm trials Demand-driven Research Applied Research Adaptive Research
  • INTERVENTIONS FOR INCREASING YEILDS - a  Intercropping  Crop rotation – seasonal or annual  Use of cover crops Reduced tillage – minimum tillage Composting Organic matter additions
  • INTERVENTIONS FOR INCREASING YEILDS - b  Provide agricultural inputs  Provide better agricultural practices  Form farmer cooperatives  Initiate farmer cooperatives
  • INTERVENTIONS FOR INCREASING YEILDS - c  Improve road infrastructure  Emphasize applied agricultural research  Develop a suitable extension service  Encourage FDI
  • Thank you for listening