George E. Boyajian, Deborah L. Devedijian. Keith Harding, Erica E. Benson, Ken Clacher. Plant modification needs more discussion. J. R. Porter, D. R. Ort. Polly shows practical side of cloning technique that created Dolly.
Poultry litter enhances soybean productivity in field infested with soybean cyst nematode.
Mervalin A. Morant, Jennifer L. Casasola, Carolyn B. Brooks, Elizabeth T. Philip, V. G. Mitchell, C. R. Orr. Journal of Sustainable Agriculture. Biotech Reporter, January 1997, p. 5. Pros and cons of foreign genes in crops. B. O. Bengtsson, D. R. Ort.