On‐farm Factors Influencing Investment in Crop Sowing Machinery*

Kingwell, Ross

doi:10.1111/j.1467-8489.1996.tb00593.x

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…This necessitates maintenance of the investment in sowing capacity as years in which cropping programs are large tend to be years of ‘higher’ returns and consequently the costs of late sowing are sufficiently large to justify investment in sowing machinery with large work rates. These findings are consistent with those of Kingwell (1996) who showed how yield penalties affect the use of and investment in crop sowing gear at a farm level.…”

Section: Resultssupporting

confidence: 91%

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Climate change impacts on investment in crop sowing machinery*

Kingwell

Farré²

2009

Aus J Agri & Res Econ

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A model of investment in crop sowing machinery is applied to wheat production under current and projected climatic conditions at several locations in south-western Australia. The model includes yield responses to time of sowing at each location given current and projected climatic conditions. These yield relationships are based on wheat growth simulation modelling that in turn draws on data from a down-scaled global circulation model. Wheat price distributions and cost of production data at each location, in combination with the time of sowing yield relationships are used to determine a farmer's optimal investment in crop sowing work rate under each climate regime. The key finding is that the impacts of climate change on profit distributions are often marked, yet mostly modest changes in investment in work rate form part of the profit-maximising response to climate change. The investment response at high versus low rainfall locations mostly involves increases and decreases in work rates, respectively. However, changes to investment in work rate within a broadly similar rainfall region are not always uniform. The impacts of climate change on investments in work rate at a particular location are shown to require knowledge of several factors, especially how climate change alters the pattern of yield response to the time of sowing at that location.

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Section: Resultssupporting

confidence: 91%

“…Kingwell (1996) provides a conceptual model for investment in crop sowing machinery. We revise and extend this model to consider the likely consequences of climate change, to allow for yield and price variation and to include variation in the size of a farmer's cropping program.…”

Section: An Investment Model For Crop Sowing Machinerymentioning

confidence: 99%