Red spider on cotton and how to control it
McGregor, E.A.
Red spider on cotton and how to control it - Washington 1917 - 1-12 p. - Cotton United States Department of Agriculture. Farmers Bulletin No. 831 .
Red spider on cotton and how to control it - Washington 1917 - 1-12 p. - Cotton United States Department of Agriculture. Farmers Bulletin No. 831 .