African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6801

Full Length Research Paper

Agronomic practices and causes of decline in trifoliate yam (Dioscorea dumentorum Kunth Pax) production in Enugu State, Nigeria

Iwuchukwu J. C.
  • Iwuchukwu J. C.
  • Department of Agricultural Extension, University of Nigeria Nsukka, Enugu State, Nigeria.
  • Google Scholar
Okwor K. C
  • Okwor K. C
  • Department of Agricultural Extension, University of Nigeria Nsukka, Enugu State, Nigeria.
  • Google Scholar

  •  Received: 22 February 2017
  •  Accepted: 18 May 2017
  •  Published: 24 August 2017


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Coomes OT, McGuire SJ, Garine E, Caillon S, McKey D, Demeulenaere E, Emperaire L (2016). Farmer seed networks make a limited contribution to agriculture? Four common misconceptions. Food Policy 56:41-50.


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Egbuonu ACC, Nzewi DC, Egbuonu ONC (2014). Functional Properties of Bitter Yam (Dioscorea dumetorum) as Influenced by Soaking Prior to Oven-drying. Am. J. Food Technol. 9:97-103.


FANRPAN (2010). FANRPAN Launches Regional Seed Project to Boost Food Security. Food Agriculture and Natural Resources Policy Analysis Network, Pretoria 



Gill TB, Bates R, Bicksler A, Burnette R, Ricciardi V, Yoder L (2013). Strengthening informal seed systems to enhance food security in Southeast Asia J. Agric. Food Syst. Commun. Dev. 3(2013):139-153


Hortipedia (2013). Rosa abyssinica, The GardenInfoPortal.


Iwuchukwu JC, Onwubuya EA (2012). Trends In Production Of Selected Species Of Yam (Diosorea Spp) In Enugu North Agricultural Zone, Enugu State Nigeria :Implication For Food Security And Bio Diversity Conservation. Int. J. Agric. Sci. Res. (IJASR) ISSN 2250-0057. 2(3):97-115.


Liverpool-Tasie LSO, Omonoma BT, Sanou A, Ogunleye W (2015). Is ncreasing inorganic fertilizer use in Sub-Sahara Africa a profitable proposition? Evidence from Nigeria. World Bamk Polici Research Workimg Paper NO 7021.


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Mbome-Lape I, Treche S (1994). Nutritional quality of yam (Dioscorea dumetorum and D. rotundata) flours for growing rats. J. Sci. Food Agric. 66:441-455.


Medova GN, Mbome TL, Agbor-Egbe I, Mbefung CNF (2005). Study Of The Hard-To-Cook Property Of Stored Yam Tubers (Dioscorea co dumetorum) And Some Determining Biochemical Factors. Food Res. Int. 28:143-149.


Ogbeh A (2016) Agriculture :Nigeria now has 1 extension worker to 3000 farmers. Daily trust Tuesday 21 June, 2016


Onuegbu NC, Iwuoha CI, Onwuamanam CI, Ihediohamma NC (2011). Effects of boiling solution (trona) concentration and time on the proximate composition and physic-chemical properties of flour from three-leaved yam (Dioscorea dumetorum Pax) tubers. Afr. J. Food Sci. 5:1-5.


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Sheaham M, Barrett C (2014). Understanding the agricultural input land scape in Sub- Saharan Africa, recent plot, household and community- level evidence Working Paper.


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Etim NA, Thompson D, Onyenweaku CE (2013). Measuring efficiency of yam (Dioscorea spp) production among resource poor farmers in rural Nigeria. J. Agric. Food Sci. 1(3):42-47.


Ugbobor C ( 2013). Current Agriculture. Land Clearing Monday 8 April 2013.


Ukpabi UJ (2010). Farmstead bread making potential of lesser yam (Dioscorea esculenta) flour in Nigeria. Aust. J. Crop Sci. 4:68-73.


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Wang W, Lu J, Ren T, Li Y, Zou J, Su W, Li, X (2012). Inorganic fertilizer application ensures crop yields in modern agriculture. A large scale field case study in Central China. J. Food Agric. Environ. 10(2):703-709.