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An economic evaluation of a long-term experiment on phosphorus and manure amendments to sandy Sahelian soils: Using a stochastic dominance model

Fertilizer research volume 33, pages 193–202 (1992)Cite this article

Abstract

Poor fertility status of sandy Sahelian soils represents a major constraint to cereal and legume production. Soil amendment options were evaluated, using a stochastic efficiency framework. Dominance analyses showed that in the presence of annual applications of 30 kg N ha−1 and 30 kg K ha−1, efficient soil amendment options comprise of either the annual application of 8.7 kg P ha−1 in the form of single superphosphates in combination with 5 tonnes manure ha−1 applied every three years or the annual application of 17.5 kg P ha−1 in the form of single superphosphates. Choice between these two efficient options depends on the availability of manure, deficiencies in sandy soils and farmer resource endowments.

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Authors and Affiliations

  1. ICRISAT Sahelian Center, B.P. 12404, Niamey, Niger

    J. Baidu-Forson

  2. IFDC Soil Chemist, ICRISAT Sahelian Center, Niamey, Niger

    A. Bationo

Authors
  1. J. Baidu-Forson
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  2. A. Bationo
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Additional information

Submitted as JA no. 1133 by the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT).

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Baidu-Forson, J., Bationo, A. An economic evaluation of a long-term experiment on phosphorus and manure amendments to sandy Sahelian soils: Using a stochastic dominance model. Fertilizer Research 33, 193–202 (1992). https://doi.org/10.1007/BF01050874

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  • DOI: https://doi.org/10.1007/BF01050874

Key words

  • manure
  • Niger
  • phosphorus
  • Sahelian soils
  • stochastic dominance framework

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