Die kovariante van opbrengs as teeltkriteria by mielies

Laubscher, F. X.(Franciscus Xavierus),1906-1972 (1954)

Verhandeling (D. Sc. Agric) -- Universiteit van Stellenbosch, 1954.

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Please refer to this item in SUNScholar by using the following persistent URL: http://hdl.handle.net/10019.1/56481
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