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An approach to on-farm diagnostic research on alley cropping is described. The objective of economic assessment was to evaluate the adoption potential of the technology. Three activities were included. In the first research activity, cost-route surveys and field measurements were carried out for ...


Dvořék, K.A.[Methods of onfarm, diagnostic research on adoption potential of alley cropping]Methods of onfarm, diagnostic research on adoption potential of alley cropping

Alley agriculture in Africa. In Alley cropping, food crops are grown in alleys formed by hedgerows of trees or shrubs, preferably legumes. The hedgerows are cut back at planting and at intervals during cropping to provide mulch and manure for crops growing in the alleys, and to prevent shading an...


Osiname, O.Tonye, J.[Alley farming research at the International Institute of Tropical Agriculture (IITA)]Alley farming research at the International Institute of Tropical Agriculture (IITA)

Establishment of Leucaena leucocephala was poor at Ibadan (Transition forest-savanna zone) and Fashola (savanna zone, 70 km north of Ibadan) in southwestern Nigeria as a result of low soil fertility and the presence of only a few native rhizobia capable of nodulating it. Inoculation with L. leuco...


Sanginga, N.Danso, S.K.A.Mulongoy, K.Ojeifo, A.A.[Persistence and recovery of introduced Rhizobium ten years after inoculation on Leucaena leucocephala grown on an Alfisol in southwetern Nigeria]Persistence and recovery of introduced Rhizobium ten years after inoculation on Leucaena leucocephala grown on an Alfisol in southwetern Nigeria

The cafteria technique using three-year-old West African Dwarf sheep was used to determine relative palatability differences within 28 provenances of Gliricidia sepium collected from west African and central America. Leucaena leucocephala and Guazuma ulmifolia were included as controls. Significa...


Larbi, AsamoahOsakwe, I.I.Lambourne, J.W.[Variation in relative palatability to sheep among Gliricidia sepium provenances]Variation in relative palatability to sheep among Gliricidia sepium provenances

Outlines a re-evaluation and a re-calculation of recently published hypothesis concerning the potential impact of alley farming on maize yields. Gives modifications and analysis based on the alley farming research of the International Livestock Center for Africa's (ILCA) Humid Zone Programme in N...


Sumberg, J.E.Atta-Krah, A.N.[The potential of alley farming in humid West Africa - a re-evaluation]The potential of alley farming in humid West Africa - a re-evaluation

Discusses the role of on-farm research in the evaluation of alley farming. Presents ILCA's experience in on-farm research and alley farming at the Humid Zone Programme and discusses the different stages of on farm-trials ,viz, exploratory, intermediate and pilot project. Looks in to the evaluati...


Atta-Krah, A.N.Francis, P.A.[The role of on-farm trials in the evaluation of composite technologies: The case of alley farming in southern Nigeria]The role of on-farm trials in the evaluation of composite technologies: The case of alley farming in southern Nigeria

Presents results of economic analysis carried out in southwestern Nigeria to determine the profitability of alternative land use systems, taking into account the short and long-run impact of soil erosion on agricultural productivity. The fallow systems include 1. two continuous cultivation alley ...


Ehui, Simeon K.Kang, B.T.Spencer, D.S.C.[Economic analysis of soil erosion effects in alley cropping. No-till and bush fallow systems in south west Nigeria]Economic analysis of soil erosion effects in alley cropping. No-till and bush fallow systems in south west Nigeria

Dry matter (DM) production, crude protein, phosphorus fibre contents and goat preference for eight indigenous browse species, Alchornea cordifolia, Diallum guineense, Ficus capensis, Baphia nitida, Manniophytum fulvum, Homalium aylmeri, Glyphaea brevis and Rauwolifia vomitoria, and for two exotic...


Larbi, AsamoahJabbar, M.A.Orok, E.J.Idiong, N.B.Cobbina, J.[Alchornea cordifolia, a promising indigenous browse species adapted to acid soils in southeastern Nigeria for integrated crop-livestock agroforestry production systems]Alchornea cordifolia, a promising indigenous browse species adapted to acid soils in southeastern Nigeria for integrated crop-livestock agroforestry production systems

In alley farming, crop response to mulching is the most important determinant of whether or not the use of prunings for feeding animals is economic. The aim of this paper is to use some recent agronomic and animal nutrition trial data to reassess whether it is economic to add small ruminants to a...


Jabbar, M.A.Cobbina, J.Reynolds, L.[Optimum fodder-mulch allocation of tree foliage under alley farming in southwest Nigeria]Optimum fodder-mulch allocation of tree foliage under alley farming in southwest Nigeria

Reports on the first four-year phase of a study of the long term effects on soil fertility and crop production of continuous cultivation (without trees), continuous alley cropping, and a rotation of alley cropping and fallow (with livestock) within Leucaena (Leucaena leucocephala (Lam) de Wit) al...


Atta-Krah, A.N.[Alley farming with Leucaena: Effects of short grazed fallows on soil fertility and crop yields]Alley farming with Leucaena: Effects of short grazed fallows on soil fertility and crop yields

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