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The effects of management for aphid control on lucerne production and persistence : a dissertation submitted in partial fulfilment of Bachelor of Agricultural Science Honours in the University of Canterbury [Lincoln College]
(Lincoln College, University of Canterbury, 1979)
In the second year of a two year grazing management trial on Wairau Lucerne, plots were grazed under a 3 or 6 weekly rotation. Half of each plot was nard grazed in June to control over wintering aphids. In the spring/autumn ...