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Tag Archives: Agronomy

SASHA Brief 02: Morphological and agronomic basis of vine survival in sweetpotato under drought prone areas of Mozambique

Drought is the most threatening factor to sweetpotato production in Mozambique. We have identified five released varieties which can give more than 10 sprouts per root after 3 to 4 months of storage in sand. This is a key trait for assuring permanent adoption.

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Armyworm: New sweetpotato pest invades Rwanda

Armyworms that were collected from the vine plot in Karama research station. Photo: Aime Ndayisenga/CIP

Like any other crop, sweetpotato is susceptible to attacks by pests and diseases due to various factors including the agroecological and climate conditions. Rwandan farmers, particularly maize and sweetpotato growers have been experiencing an army worm attack since the beginning of the current agricultural season. The army worm was first …

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Sweetpotato Agronomy Research in Ethiopia: Summary of Past Findings and Future Research Directions

Sweet potato (Ipomoea batatas (L.) Lam) is economically important food crop in Ethiopia. Since its introduction, numerous agronomic research activities were carried out in agricultural research centers, non-governmental organizations and universities. The objective of this piece of work is to document available research findings in a usable manner and present …

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The adoption problem; or why we still understand so little about technological change in African agriculture

The notion of adoption is central to efforts to measure technologicalchange in African agriculture, and plays an important role in the evaluation ofreturn on investment in agricultural research and technology development.However, the adoption concept, as it is commonly used in both the literature anddevelopment research practice, is seriously flawed and …

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Growing orange-fleshed sweetpotato for a healthy diet: A supplementary learners’ resource book for upper primary schools

This learning resource about orange-fleshed sweetpotato for pupils in upper primary schools (primary levels 5–7) was designed to supplement the teaching of topics in the agriculture, integrated science and related curricula. It is not a pupil’s book in the real sense, but rather an innovative invitation by the teachers for …

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