Solutions

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41 Solutions found

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Specialty blended fertilizers for root and tuber crops

  • Paul Woomer
  • plwoomer@gmail.com

Mixes of common inorganic fertilizers have been specifically developed for tuber and root crops like sweet potato and cassava that create balanced availability of nutrients for the crop to grow fast and produce large tubers. These kind of fertilizers supply elements like nitrogen, phosphorus, potassium and sulfur that are insufficiently available in soils across many landscapes and farmer fields of …

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Relay intercropping of sweet potato with legumes

  • Paul Demo
  • p.demo@cgiar.org

Cultivating sweet potato alongside with legumes on the same piece of land offers multiple advantages as compared to when the two crops are grown separately in monocrop cultures. The mixing of sweet potato and legumes gives rise to increased yields and total harvests for farmers because of it allows to make better use of land, nutrient and water resources, improve …

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Silage production from sweet potato vines and tubers

  • Paul Demo
  • p.demo@cgiar.org

Processing leftover vines and small/twisted tubers of sweet potato into silage provides a high quality fodder for all class of ruminants and pigs, and helps to avoid that these resources perish under moist and hot conditions and to bridge persistent or intermittent gaps in fodder availability for farmers. The fermentation of feedstocks that takes places is enhancing their digestibility and …

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Raised beds for sweet potato production and weed management

  • Paul Demo
  • p.demo@cgiar.org

Growing sweet potato on soil beds that are raised above the surface has demonstrated to enhance tuber yields and lessen weed encroachment of the crop in many farming system across Sub-Saharan Africa. Raised beds are made of loosened soil that create the right bulk density and moisture conditions needed for sweet potatoes, especially benefiting the survival of cuttings and vines …

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Community-based multiplication of sweet potato vines and cuttings

  • Paul Demo
  • p.demo@cgiar.org

The availability, access and quality of life sweet potato planting material in rural communities can be enhanced by organizing community-based multiplication of vines and cuttings at medium to large scale. Strong linkages between multipliers and sellers formed under this strategy are further giving rise to more reliable and cost-effective supply of vines and cuttings to farmers. Improving the multiplication of …

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Tent-style greenhouse for multiplication of sweet potato vines and cuttings

  • Paul Demo
  • p.demo@cgiar.org

Low-cost and easy-to-build greenhouse structures allow to multiply large amounts of healthy sweet potato vines and cuttings in time before the onset of the growing season. Tent-styled greenhouses combined with manual or drip irrigation enable to maintain optimal soil moisture, and the screen nets keep vines free of pests and diseases. Farmers can also use the greenhouses for retaining a …

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Puree Production and Products for Sweet Potato

  • Paul Demo
  • p.demo@cgiar.org

Processing of sweet potato tubers into puree and its utilization for baked and fried products allows to make the food staple available all year round, and offers an avenue for commercialization and local business development. Orange-fleshed sweet potato (OFSP) puree provides a cost-effective and healthy alternative to wheat flour as it can substitute 30-60% of the flour in a wide …

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Drought and Virus Tolerant Orange-Fleshed Sweet Potato

  • Paul Demo
  • p.demo@cgiar.org

Cultivars of orange-fleshed sweet potato (OFSP) from Sub-Saharan Africa have been identified and bred that are adapted to drought and heat stresses, and others that withstand infections by common viruses affecting the crop. A number of hybrid OFSP varieties were developed that reach harvest maturity within just 90 days and can escape the risk tuber filling is affected by shortened …

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