Studies on the bionomics and control of the pear bud mite Eriophyes piri, Pag.
(1900)
Thesis (D. Sc. Agric) -- University of Stellenbosch, 1945.
Full text to be digitised and attached to bibliographic record.
Thesis
Thesis (D. Sc. Agric) -- University of Stellenbosch, 1945.
Full text to be digitised and attached to bibliographic record.
Thesis