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India has experienced rapid growth in potato production during recent past and the country has almost doubled its potato production during 2003–2013. The potato productivity improved 31.4% over this period of time. However, potato production scenario in southern states of India is quite grim and ...


Rana, R.K.Arya, S.Kumar, S.Singh, B.P.Adinarayana, G.Kumar, S.Quiróz, R.Kadian, M.S.[Benchmarking farmers' economic and social status in Anantapuramu and Kurnool arid districts of Andhra Pradesh for probable introduction of potato crop.]Benchmarking farmers' economic and social status in Anantapuramu and Kurnool arid districts of Andhra Pradesh for probable introduction of potato crop.

Even though potato (Solanum tuberosum L.)-based intercropping systems are widely practised in developing countries, only a few studies have focused on legumes as the companion intercrops. This study was conducted to assess the effect of incorporating legumes into the potato production system on g...


Gitari, H.I.Gachene, C.K.K.Kamau, S.Nyawade, S.Sharma, K.Schulte-Geldermann, ElmarKaranja, N.[Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems.]Optimizing yield and economic returns of rain-fed potato (Solanum tuberosum L.) through water conservation under potato-legume intercropping systems.

This article presents a review of seven guides for gender-equitable value chain development (VCD). The guides advocate persuasively the integration of gender into VCD programming and raise important issues for designing more inclusive interventions. However, gaps persist in their coverage of gend...


Stoian, D.Donovan, J.Elias, M.Blare, T.[Fit for purpose? A review of guides for gender-equitable value chain development]Fit for purpose? A review of guides for gender-equitable value chain development

New technologies must be developed in sub-Saharan Africa which are sustainable and economically viable. This paper discusses a methodology for measuring the agricultural sustainability and economic viability of tropical farming systems for new technology evaluation. The approach is based on the c...


Ehui, Simeon K.Spencer, D.[Measuring the sustainability and economic viability of tropical farming systems: a model from subSaharan Africa]Measuring the sustainability and economic viability of tropical farming systems: a model from subSaharan Africa
Thro, Ann MarieBeachy, Roger N.Bonierbale, Merideth W.Fauquet, Claude M.Henry, GuyHenshaw, Graham G.Hughes, Monica A.Kawano, KazuoRaemakers, C.J.J.M.Roca, William M.Sch"pke, C.Taylor, Nigel J.Visser, Richard G.F.[International research on biotechnology of cassava (tapioca, Manihot esculenta Crantz) and its relevance to Southeast Asian economies: a cassava biotechnology network review]International research on biotechnology of cassava (tapioca, Manihot esculenta Crantz) and its relevance to Southeast Asian economies: a cassava biotechnology network review
Autor: Spencer, D.

In order to measure the effects of new agricultural technologies on labour productivity in sub-Saharan Africa, on-farm trials are usually conducted using small plots. Farmers who keep no records have to be interviewed frequently to minimize the effect of memory loss on the accuracy of the data co...


Spencer, D.[Collecting meaningful data on labour use in onfarm trials in subSaharan Africa]Collecting meaningful data on labour use in onfarm trials in subSaharan Africa

The results are presented of a project to promote integrated Striga control (ISC) technologies to farmers in the Guinea savanna of northern Nigeria. Extension agents used a participatory research and extension approach (PREA) to encourage farmers to test and adopt ISC technologies. Over a 2-year ...


Franke, A.Ellis-Jones, J.Tarawali, G.Schulz, S.Hussaini, M.A.Kureh, I.White, R.Douthwaite, BoruOyewole, B.Olanrewaju, A.S.[Evaluating and scalingup integrated Striga hermonthica control technologies among farmers in northern Nigeria]Evaluating and scalingup integrated Striga hermonthica control technologies among farmers in northern Nigeria

A survey of weeds and weeding practices was carried out by a team of agricultural economists and agronomists on 283 farms in 5 cassava-growing regions of Colombia at 3 times during a cropping season. From 71-78 percent of the weed species present were broad- leaved species. As cassava grew older,...


Doll, J.Pinstrup-Andersen, PerDíaz, R.O.[An agro-economic survey of the weeds and weeding practices in cassava (Manihot esculenta Crantz) in Colombia]An agro-economic survey of the weeds and weeding practices in cassava (Manihot esculenta Crantz) in Colombia

This paper, based on a socio-economic survey, investigates the productivity of compound plantain production and constraints to large scale production on the basis of the compound production method. The paper shows that production under the compound system results in nearly four times as much yiel...


Nweke, F.Njoku, J.Wilson, G.[Productivity and limitations of plantain (Musa spp. cv AAB) production in compound gardens in southeastern Nigeria]Productivity and limitations of plantain (Musa spp. cv AAB) production in compound gardens in southeastern Nigeria

Cassava (Manihot esculenta Crantz)/Maize (Zea mays L.) intercropping is so popular in Nigeria that a cassava/maize intercropping package is recommended to small-scale farmers. Farmers insist on including low-growing vegetables like okra (Abelmoschus esculentus Moench) and egusi melon (Citrullus l...


Ikeorgu, J.Ezumah, H.C.Wahua, T.A.[Productivity of species in cassava/maize/okra/egusi melon complex mixtures in Nigeria]Productivity of species in cassava/maize/okra/egusi melon complex mixtures in Nigeria

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