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Tactical management of pasture fallows in Western Australian cropping systems

Doole, Graeme J.; Weetman, Ellen - In: Agricultural Systems 102 (2009) 1-3, pp. 24-32

novel metaheuristic optimisation technique, compressed annealing, is used to determine profitable flexible land …

Persistent link: https://www.econbiz.de/10005077588

Optimising control of an agricultural weed in sheep-production pastures

Chalak, Morteza; Pannell, David J. - In: Agricultural Systems 109 (2012) C, pp. 1-8

Optimal integrated control strategies for the weed blackberry (Rubus anglocandicans) infesting sheep pastures in Australia are analysed for a range of different circumstances. A wide range of control strategies with moderate to high costs and efficacies are analysed, including chemicals, mowing,...

Persistent link: https://www.econbiz.de/10010571853

Detailed description of grazing systems using nonlinear optimisation methods: A model of a pasture-based New Zealand dairy farm

Doole, Graeme J.; Romera, Alvaro J. - In: Agricultural Systems 122 (2013) C, pp. 33-41

mainly involved the use of linear optimisation methods that provide a general description of the complex processes contained … therein. This paper describes a nonlinear optimisation model of a New Zealand dairy farm that incorporates a detailed … depiction of key biophysical processes present within grazing systems. The capacity of this optimisation model to provide rich …

Persistent link: https://www.econbiz.de/10010709076

Managing greenhouse gas emissions in two major dairy regions of New Zealand: A system-level evaluation

Adler, Alfredo A.; Doole, Graeme J.; Romera, Alvaro J.; … - In: Agricultural Systems 135 (2015) C, pp. 1-9

New Zealand dairy farms are responsible for a large proportion of this nation's greenhouse gas emissions (GHG-e), arising mainly from enteric methane and urinary nitrogen deposition on pasture. De-intensification and the use of specific mitigation strategies can reduce GHG-e from dairy farms,...

Persistent link: https://www.econbiz.de/10011208345