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Title: An economic approach to soil fertility management for wheat production in north-eastern Australia
Contributor(s): Farquharson, Robert J (author); Cacho, Oscar Jose  (author)orcid ; Mullen, John D (author); Schwenke, Graeme  (author)orcid 
Publication Date: 2008
DOI: 10.1111/j.1574-0862.2008.00292.x
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Abstract: Soil fertility decline and soil management for crop production are important economic issues for grain growers in north-eastern Australia. In that region, there is evidence of soil fertility decline which is attributed to past crop management practices. The questions addressed in this article are first, whether components of soil fertility can be improved by better management and second, by how much soil fertility would change. Soil fertility for crop production is considered in terms of soil organic carbon and nitrogen. A stochastic dynamic economic analysis of soil fertility management for wheat production is presented. A sequential analysis of first deriving the optimal nitrogen stock and application rates is followed by an assessment of tillage, stubble, and fertilizer strategies to obtain an optimal level of soil organic carbon. The recommended management practices are consistent with emerging management trends in the region. The derivation of optimal levels of soil fertility for agricultural purposes has other policy implications, which we discuss.
Publication Type: Journal Article
Source of Publication: Agricultural Economics, 38(2), p. 181-192
Publisher: Wiley-Blackwell Publishing Inc
Place of Publication: New York, United States of America
ISSN: 0169-5150
Field of Research (FOR): 140201 Agricultural Economics
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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