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Fertilizer Impacts on Soils and Crops of Sub-Saharan Africa

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Author Info
David Weight () (Department of Agricultural Economics, Michigan State University)
Valerie Kelly

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Abstract

In this paper, fertilizers are recommended as the primary nutrient input and organic materials are recommended as "amendments" to fertilizers. This recommendation is based on the fact that large quantities of organic material are required to deliver a nutrient load equivalent to fertilizers. Such large quantities are required due to the low concentrations of nutrients in organic matter. It is difficult for farmers to obtain such large quantities of organic materials due to competition from non-agricultural uses (fuel, fodder, construction, etc.). Also, there are declining rates of biological cover in SSA.

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Publisher Info
Paper provided by Department of Agricultural Economics, Michigan State University in its series International Development Papers with number 21.

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Length: 97 pages
Date of creation: 1999
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Handle: RePEc:msu:idppap:021

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Related research
Keywords: food security; food policy; fertilizer;

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Find related papers by JEL classification:
Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy

References listed on IDEAS
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  1. Carl Liedholm & Joan Parker, 1989. "Small Scale Manufacturing Growth in Africa: Initial Evidence," International Development Working Papers 33, Department of Agricultural Economics, Michigan State University. [Downloadable!]
  2. Steve Haggblade & Carl Liedholm & Donald C. Mead, 1986. "The Effect of Policy and Policy Reforms on Non-Agricultural Enterprises and Employment in Developing Countries: A Review of Past Experiences," International Development Working Papers 27, Department of Agricultural Economics, Michigan State University. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Crawford, Eric W. & Kelly, Valerie A., 2001. "Evaluating Measures To Improve Agricultural Input Use," Staff Papers 11686, Michigan State University, Department of Agricultural, Food, and Resource Economics. [Downloadable!]
  2. Reardon, Thomas & Kelly, Valerie & Yanggen, David & Crawford, Eric W., 1999. "Determinants Of Fertilizer Adoption By African Farmers: Policy Analysis Framework, Illustrative Evidence, And Implications," Staff Papers 11779, Michigan State University, Department of Agricultural, Food, and Resource Economics. [Downloadable!]
  3. Daniel C. Clay & T. Reardon & V. Kelly & E. Mpyisi, 2001. "Promoting Input Use and Conservation Investments among Farm Households in Rwanda," International Development Collaborative Working Papers RW-FSRP-RR-06, Department of Agricultural Economics, Michigan State University. [Downloadable!]
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