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Pasture production on the South West Slopes- Answers
- Choose a site and gather the climatic data for a region.
Month Mean daily max. temp
(°C)Mean daily min. temp
(°C)Mean rainfall
(mm)January 31.5 15.7 53.9 February 31.9 15.7 39.0 March 27.7 12.9 47.1 April 22.6 8.4 49.9 May 17.5 4.8 52.5 June 13.6 2.9 59.0 July 12.7 1.9 58.7 August 14.8 2.7 57.3 September 18.2 4.5 51.1 October 22.0 7.4 61.0 November 26.4 10.7 47.9 December 29.9 13.8 48.8 - Draw a graph presenting the climatic average data.
- Draw a graph of estimated growth rate of pastures on the South West Slopes.
- Compare the graph presenting the climatic average data
with the graph showing the estimated growth rate of pastures on the South West Slopes.
Rainfall on the South West slopes occurs throughout the year, showing no seasonality. The summers are hot and the winters cool to cold.
The graph of estimated growth rate of pastures shows two times in the year when pasture growth declines. These are during the heat of summer (December, January, February) and during the colder months (May, June, July). All pasture species show increased growth rates during autumn and spring. This coincides with milder temperatures.
Subterranean clover is a valuable legume species used on the South West slopes. It is used in mixtures with most of the other species shown on the graph.
Oats is a valuable annual crop during the winter months. It provides feed when other species are experiencing depressed growth rates during the colder months. This is valuable feed for livestock when there is a gap in the amount of feed available from the perennial species.
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