The profitability of dairying in south-eastern Australia can be improved by increasing pasture production during summer–autumn, when growth rates for the existing perennial ryegrass (Lolium perenne L.) feedbase are low. A study undertaken in cool-temperate north-west Tasmania examined the effect of stubble height and irrigation management on swards of perennial ryegrass, continental (summer-active) tall fescue (Festuca arundinacea Schreb.) and chicory (Cichorium intybus L.). Irrigation treatments included full irrigation (∼20 mm applied at every 20 mm precipitation deficit), deficit irrigation (∼20 mm applied at alternate full-irrigation events) and rainfed (no irrigation).
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6 February 2019
Effect of stubble height and irrigation management on the growth, botanical composition and persistence of perennial ryegrass, tall fescue and chicory swards in cool-temperate Tasmania
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Crop and Pasture Science
Vol. 70 • No. 2
February 2019
Vol. 70 • No. 2
February 2019
basal frequency
defoliation severity
grazing intensity
residual height
water-use efficiency