Weed control : A Textbook and Manual/

by Robbins, Wilfred W.
Published 1952

Weed control /

by Crafts, Alden S.
Published 1962

Crop tolerance to suboptimal land conditions/

Published 1978

Nutrient deficiencies toxicities in crop plants/

Published 1993

Hardy geraniums/

by Yeo, Peter F.
Published 1985