TS - Dryland Sheep Systems In Canterbury And Marlborough

A.C. Bywater and D.J. Moot

No 345657, 18th Congress, Methven, New Zealand, 2011 from International Farm Management Association

Abstract: Introduction - Livestock production in New Zealand is based primarily on pasture and forage for all classes of ruminants (Waghorn and Clark, 2004). Increasingly, sheep and beef cattle are being confined to dry hill country and some un-irrigated plains as the irrigated land is converted to dairy and cropping. Dryland farming on the east coast of both main islands is subject to significant climate variability. Rainfall is the main climatic factor constraining pasture growth, with spring and summer rainfall accounting for 60% of the variation in pasture production in New Zealand (Radcliffe and Baars, 1987). Baars and Waller (1979) identified both rainfall and temperature as influencing pasture production, with temperature playing an important role in pasture growth in winter and early spring. On the Canterbury plains for example, winters are normally cool and wet and summers warm and dry - but not always so. Spring and autumn can either be wet or dry, warm or cool. A typical pattern of dryland pasture growth is shown in Figure 1. There is low growth during winter because soil temperatures are too low even though there may be sufficient moisture. Growth accelerates from mid August as soil temperatures start to increase, reaching a peak .....

Keywords: Livestock; Production/Industries (search for similar items in EconPapers)
Pages: 10
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:ags:ifma11:345657

DOI: 10.22004/ag.econ.345657

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