Knowing and Recognizing - The Growers' Guide to Biological Crop Protection
,A TREATISE ON SOME OF THE INSECTS INJURIOUS TO VEGETATION by ENTOMOLOGY, THADDEUS WILLIAM HARRIS on Phillip J. Pirages Fine Books and Manuscripts,Amazon.com: Infectious Disease Ecology and Conservation: 9780199583515: Foufopoulos, Johannes, Wobeser, Gary A., McCallum, Hamish: Books,Knowing and Recognizing - The Growers' Guide to Biological Crop Protection,Knowing and Recognizing Book