Assessing evidence on the agronomic and environmental impacts of turfgrass irrigation management

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dc.contributor.authorGómez‐Armayones, Carlos
dc.contributor.authorKvalbein, Agnar
dc.contributor.authorAamlid, Trygve S.
dc.contributor.authorKnox, Jerry W.
dc.date.accessioned2018-02-21T14:35:22Z
dc.date.available2018-02-21T14:35:22Z
dc.date.issued2018-01-15
dc.description.abstractIn recent years, rising competition for water coupled with new environmental regulations has exerted pressure on water allocations for turfgrass irrigation. In this article, we reviewed published scientific and industry evidence on the agronomic and environmental impacts of turfgrass irrigation using a robust systematic review methodology. Our focus was on the links between (i) irrigation management (amount and frequency), (ii) agronomic responses to irrigation (turf quality, growth rates and rooting) and (iii) environmental impacts (nitrogen leaching). Based on an initial screening of 653 studies and data extracted from 83 papers, our results show that in most cases, under moderate levels of deficit irrigation (50%–60% of actual evapotranspiration), turf quality can be maintained at an acceptable level but with lower water consumption compared to irrigating back to field capacity. Irrigation beyond field capacity was found to increase the risk of nutrient leaching. However, evidence also showed that the concentration and total loss of math formula in leachate were influenced more by nitrogen (N) rates, soil characteristics, turfgrass species and turfgrass growth rates than by irrigation practices. Our analyses suggest that turfgrass irrigation should be scheduled to apply water at moderate levels of deficit irrigation, sufficient to maintain turfgrass quality but limited to promote a deep and extensive rooting system. The findings provide new insights and valuable evidence for both scientists and practitioners involved in turfgrass research and management.en_UK
dc.identifier.citationGómez‐Armayones C, Kvalbein A, Aamlid TS, Knox JW. (2018) Assessing evidence on the agronomic and environmental impacts of turfgrass irrigation management, Journal of Agronomy and Crop Science, Volume 204, Issue 4, August 2018, pp. 333-346en_UK
dc.identifier.issn0931-2250
dc.identifier.urihttp://dx.doi.org/10.1111/jac.12265
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13024
dc.language.isoenen_UK
dc.publisherWileyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectDeficit irrigationen_UK
dc.subjectIrrigation managementen_UK
dc.subjectLeachingen_UK
dc.subjectTurfgrass maintenanceen_UK
dc.subjectTurfgrass qualityen_UK
dc.titleAssessing evidence on the agronomic and environmental impacts of turfgrass irrigation managementen_UK
dc.typeArticleen_UK

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