Now showing items 1-2 of 2
Effect of cool season grazing on lucerne production and aphid populations
(New Zealand Grassland Association., 1979)
In a P-year Wairau lucerne trial, plots were grazed on a 3- or 6- weekly rotation; Half of each plot was hard grazed in June to control overwintering aphids. In the second year a spring/autumn spraying was applied. June ...
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 ...