Citation:

8 BR Trenbath. 1976. Plant interactions in mixed crop communities. Pages 129-169. In: RI Papendick, PA Sanchez, GB Tripplet (editors). Multiple Cropping. ASA Special Publication Number 27, American Society of Agronomy, 677 South Segoe Road, Madison, Wisconsin 53711, 378 pages. ISBN 0891180451

Keywords: sharing of growth factors, competition for light and CO2, soil factors, allelopathy, mechanisms of interactions between genotypes and processes, effects of plant interactions on yields of components of intercrops, land equivalent ratio, relative yield total, plant density, annidation in space and with respect to nutrients and time, variation in allocation ratios, non-proportionality in the response to limiting growth factors, rhizosphere effects, physical support, physical protection, effect of insect pests and diseases