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2016 - Glassey, Selbie, Wheeler - Interpreting pasture eaten and pasture growth estimates from Overseer

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INTERPRETING PASTURE EATEN AND PASTURE GROWTH ESTIMATES FROM OVERSEER AND WHAT TO LOOK FOR WHEN COMPARING THEM WITH OTHER MEASURED AND MODELLED ESTIMATES

In this paper we discuss why Overseer nutrient budgets for DairyNZ farmlet trials produced predicted pasture eaten/ha and pasture growth/ha estimates that differed from the measured estimates. We investigate factors important for generating these differences, and what assumptions and information need to be checked to improve and verify estimates.

Glassey,C.B.,Selbie,D.,Wheeler,D. 2016. Interpreting pasture eaten and pasture growth estimates from overseer and what to look for when comparing them with other measured and modelled estimates. In: Integrated nutrient and water management for sustainable farming. (Eds L.D. Currie and R.Singh). http://flrc.massey.ac.nz/publications.html 

Occasional Report No. 29. Fertilizer and Lime Research Centre,
Massey University, Palmerston North, New Zealand. 6 pages.