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Abstract
Extract
Northand has a wide variety of soil types, many of which are strongly leached wet clays with thin topsoils and low subsoil fertility. The copper status of many of these soils is low (Cunningham et at.,Citation1956; Taylor et al., Citation1956; Wells, Citation1957). Copper deficiency (hypocuprosis), has been reported at various times in both cattle and sheep in this part of New Zealand, but the incidence was considered to be low and confined to a few localized areas.