An Economic Response Model Of Herbicide Application For Weed Control
A biologically realistic model of crop yield response to herbicide application is presented. It includes functions for weed mortality from herbicide application and yield loss due to surviving weeds. The optimal herbicide rate and two types of decision thresholds are derived theoretically and illustrated with empirical examples. Responses of the various decision criteria to changes in parameters are also examined theoretically and empirically. A multidimensional threshold for weeds based on weed density and weed-free yield is presented. The issue of farmers using other than officially recommended herbicide rates is discussed.
Volume (Year): 34 (1990)
Issue (Month): 03 (December)
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- Pandey, Sushil, 1989. "Economics of Wild Oats Control: An Application of a Stochastic Dynamic Programming Model," 1989 Conference (33rd), February 7-9, 1989, Christchurch, New Zealand 144816, Australian Agricultural and Resource Economics Society.
- Abadi Ghadim, Amir K. & Pannell, David J., 1991. "Economic trade-off between pasture production and crop weed control," Agricultural Systems, Elsevier, vol. 36(1), pages 1-15.
- Pandey, Sushil, 1989. "Economics of Wild Oats Control: An Application of a Stochastic Dynamic Programming Model," Discussion Papers 230955, University of Western Australia, School of Agricultural and Resource Economics.
- Gershon Feder, 1979. "Pesticides, Information, and Pest Management under Uncertainty," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 61(1), pages 97-103.
- Pannell, David J., 1988. "Weed Management: A Review of Applied Economics Research in Australia," Review of Marketing and Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 56(03), December.
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