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Predicting the soil moisture conditions of Irish grasslands

Schulte, Rogier P.
; 
Diamond, J.
; 
Finkele, K.
; 
Holden, Nicholas M.
; 
Brereton, A. J.
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Keywords
Grasslands, Moisture Model, Soils
Date
2005
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IJAFR, volume 44, 2005
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Predicting the soil moisture.pdf
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http://hdl.handle.net/11019/464
 http://www.teagasc.ie/research/journalarchives/vol44no1/216.pdf
Citation
R.P.O. Schulte, J. Diamond, K. Finkele, N.M. Holden, A.J. Brereton. (2005) Predicting the soil moisture conditions of Irish grasslands. Irish Journal of Agricultural and Food Research 44: 95-110
Abstract
Soil moisture conditions are an important interface between agriculture and the environment, as they impact on the length of the grazing season, grass growth rate and nutrient uptake, and the loss of nutrients to the wider environment. Moisture conditions are conveniently quantified by the soil moisture deficit (SMD) but diverging methods for deriving SMD have been applied in Ireland to date. A simple hybrid model for computing SMD is presented, which accounts for differences in drainage regimes between soil types, and is calibrated for contrasting soil types in Ireland. This hybrid model accurately predicted the temporal patterns of SMD on well-drained and poorlydrained soils. Three soil drainage classes were defined, which satisfactorily describe the differences in drainage between soils.
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