Timothy O. Williams

ORCID: 0000-0003-0775-0237
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About
Contact & Profiles
Research Areas
  • Agriculture and Rural Development Research
  • Rangeland Management and Livestock Ecology
  • Agricultural Innovations and Practices
  • Water resources management and optimization
  • Livestock and Poultry Management
  • Animal Diversity and Health Studies
  • Agricultural risk and resilience
  • Agricultural Economics and Policy
  • Land Rights and Reforms
  • Child Nutrition and Water Access
  • Economics of Agriculture and Food Markets
  • Irrigation Practices and Water Management
  • Water-Energy-Food Nexus Studies
  • Agriculture, Land Use, Rural Development
  • Water Governance and Infrastructure
  • Transboundary Water Resource Management
  • Rabbits: Nutrition, Reproduction, Health
  • Rice Cultivation and Yield Improvement
  • Soil erosion and sediment transport
  • Soil and Land Suitability Analysis
  • Decision-Making and Behavioral Economics
  • Genetic and phenotypic traits in livestock
  • Occupational Health and Safety Research
  • Agronomic Practices and Intercropping Systems
  • Urban Agriculture and Sustainability

Water Resources Commission of Ghana
2012-2020

International Water Management Institute
2018

Atlanta Technical College
2013

Commonwealth Secretariat
2006

United Nations Children's Fund Niger
1994

International Livestock Research Institute
1993

Land degradation is a major challenge limiting crop production in Ethiopia. Integrated soil and water conservation widely applied as means to reverse the trend increase productivity. This study investigated effects of such integrated approaches at two sites, Jeldu Diga, Western A split plot design with physical main plots agronomic practices sub was employed. Maize (Zea mays L.) followed by groundnut (Arachis hypogaea wheat (Triticum aestivum) faba bean (Vicia were test crops. Surface soils...

10.1016/j.iswcr.2018.06.001 article EN cc-by-nc-nd International Soil and Water Conservation Research 2018-06-30

10.1023/a:1009817323039 article EN Nutrient Cycling in Agroecosystems 1999-01-01

Abstract Crop‐livestock integration (CLI) to improve natural resource management for increased productivity is evolving in Nigeria and West Africa. Processes the evolution factors that influence it still need be well understood. This article proposes tests a new framework measuring multiple dimensionality of CLI. The derives CLI index using principal components its most common single measures; develops geographic information systems (GIS)‐based village‐level ecological market factors;...

10.1111/j.1574-0862.2006.00148.x article EN Agricultural Economics 2006-09-01

Abstract Degradation of crop and grazing lands is a pervasive problem that negatively impacts agricultural productivity livelihoods crop-livestock farmers in the Blue Nile basin Ethiopia. Area enclosure together with cut carry livestock feeding system often advocated as an approach for regeneration degraded lands. This paper reports results two-year farmer participatory study conducted to assess effects infiltration trenches (ITs) Chloris gayana Kunth (Rhodes grass; cultivar Masaba;...

10.1017/s1742170519000425 article EN cc-by Renewable Agriculture and Food Systems 2020-01-29

Animal manure is of vital importance in maintaining soil fertility semiarid west Africa due to the low level use inorganic fertilizer. Using data from Niger however, it shown that insufficient animals are available provide needed sustain crop yields on a long-term basis. The limitations posed by animal numbers and feed availability imply with increasing intensity land other countries In region, alone will not key attaining sustainable yield levels. External Inputs form fertilizers needed....

10.1177/003072709502400109 article EN Outlook on Agriculture 1995-03-01

Livestock pricing policies in many developing countries are often instituted without a good appreciation of the consequences such for allocative efficiency, output and trade.This paper evaluates, comparative cross-country context, objectives instruments livestock policy five sub-Saharan African countries: Ivory Coast, Mali, Nigeria, Sudan Zimbabwe during period 1970-86.It assesses extent to which have been attained, also estimates effects price interventions on output, consumption, trade...

10.1016/0169-5150(92)90027-v article EN Agricultural Economics 1993-02-01
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