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Erosion/productivity modelling of maize farming in the Philippine uplands part III: Economic analysis of alternative farming methods

journal contribution
posted on 2023-05-17, 17:56 authored by Nelson, RA, Cramb, RA, Mamicpic, MA
Two previous papers in this series (Nelson et al., this issue) described the use of the Agricultural Production Systems Simulator (APSIM) to simulate the effect of erosion on maize yields from open-field farming and hedgerow intercropping in the Philippine uplands. In this paper, maize yields simulated with APSIM are used to compare the economic viability of intercropping maize between leguminous shrub hedgerows with that of continuous and fallow open-field farming of maize. The analysis focuses on the economic incentives of upland farmers to adopt hedgerow intercropping, discussing farmers' planning horizons, access to credit and security of land tenure, as well as maize pricing in the Philippines. Insecure land tenure has limited the planning horizons of upland farmers, and high establishment costs reduce the economic viability of hedgerow intercropping relative to continuous and fallow open-field farming in the short term. In the long term, high discount rates and share-tenancy arrangements in which land- lords do not contribute to establishment costs reduce the economic viability of hedgerow intercropping relative to fallow open-field farming.

History

Publication title

Agricultural Systems

Volume

58

Pagination

165-183

ISSN

0308-521X

Department/School

Tasmanian Institute of Agriculture (TIA)

Publisher

Elsevier Sci Ltd

Place of publication

The Boulevard, Langford Lane, Kidlington, Oxford, England, Oxon, Ox5 1Gb

Repository Status

  • Restricted

Socio-economic Objectives

Maize

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