Year: 1974
Type: article
Abstract: In an investigation of the fertiliser requirements of dryland lucerne in Canterbury, results from two field trials showed significant yield responses to applied copper. The responses appear to be the first recorded in dryland lucerne in Canterbury. Levels of herbage copper on these responsive sites were low (1–2 ppm in dry matter). Topdressing with approximately 2 kg/ha of copper as CuCl 2 or CuSO 4 raised herbage levels to 5–6 ppm on both copper‐deficient stands. A survey of lucerne stands in Ashburton County indicated marginally adequate copper levels for satisfactory lucerne growth on the Eyre and Lismore soils.
Authors: R. A. Carran, P. E. H. Gregg, R. C. Stephen
Institutions: Lincoln University, Massey University
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: bronze
OpenAlex ID: W2074465221