A Bio-Economic On-Farm Evaluation of the Use of Sweet Potato for Complementary Weed Control in a Yam/Maize/Egusi/Cassava Intercrop in Pigeon Pea Hedgerows in the Rain Forest Belt of Nigeria

Biological Agriculture and Horticulture

Volumn 18, Issue 2, 2000, Pages 95-102

  Anuebunwa, F O ^a  

^a National Root Crops Research Institute   (Nigeria)

Author keywords

[No Author keywords available]

Indexed keywords

INTERCROPPING; WEED CONTROL;

NIGERIA;

EID: 0033676212     PISSN: 01448765     EISSN: None     Source Type: Journal    
DOI: 10.1080/01448765.2000.9754872     Document Type: Article

References (12)

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2. Anuebunwa, F.O. (1992). A bio-economic evaluation of intercropping arrangement in a yam-cassava cropping system in the rain forest belt of Nigeria. Biological Agriculture & Horticulture, 8, 251-260.
3. Clegg, M. (1972). Light and yield related aspects of sorghum canopies. In Sorghum in the Seventies (N.G.P. Rao & L.R. House, eds.), pp. 279-299, Oxford and IBH Publishing Co.; New Delhi, India
4. FACU (1985). On-Farm Adaptive Research: Diagnostic Survey of Owerri ISADAP Extension Area, Imo State. Federal Agricultural Coordinating Unit; Ibadan, Nigeria.
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8. Orkwor, G.C.E. (1990). Studies on the critical period of weed interference in yam intercropped with maize, okra, sweet potato and the biology of the associated weeds. PhD Thesis. University of Nigeria, Nsukka, Nigeria.
9. Perrin, R.K., Winkelmann, D.L., Moscardi, E.R. & Anderson, J.R. (1976). From Agronomic Data to Fanner Recommendations: An Economic Training Manual. Information Bulletin 27, CIMMYT; Mexico.
10. Unamma, R.P.A., Anuebunwa, F.O. & Oputa, C.O. (1990). On farm evaluation of different weed management alternative in yam/maize intercrop. Nigeria Journal of Weed Science, 3, 59-66.
11. Unamma, R.P.A. & Ene, L.S.O. (1984). Critical period of weed interference in white yam intercropped with maize. 1984 Annual Report. National Root Crops Research Institute; Umudike, Umuahia, Nigeria, pp. 179-182.
12. Unamma, R.P.A., Odurukwe, S.O., Okereke, H.E., Ene, L.S.O, & Okoli, O.O. (1985). Farming Systems of the Eastern Agricultural Zone of Nigeria. National Root Crops Research Institute; Umudike, Umuahia, Nigeria.