Chlorophyll 2009 and 2010 PLOS

Data collected in the field in 2009 and 2010. Column headings include the following: 1) Year – year that study was conducted. 2) Stage: Refers to the stage of dry bean development when data was collected including; 2-4 or 8-16 TL (trifoliolate leaf stage). 3) Rep: refers to replication or block number. 4) Bean: Refers to the bean market class used in the intercropping treatment plots including B - for black beans, N for Navy beans, NONE for when beans were not presents in a plot. 5) Grass: refers to grass species used in the intercropping treatment plot including R (Annual Ryegrass), O (Oats), C (Corn), W (Wheat), and NONE (when grass species was not present in the plot). 6) Chloro – Chlorophyll intensity in SPAD units

Soil Test Results for 2010 PLOS

Data collected in the field in 2010. Column headings include the following: 1) Year – Year that study was conducted. 2) Stage: Refers to the stage of dry bean development when data was collected including; Plant (Planting Stage); 2-4, 4-8, or 8-16 TL (trifoliolate leaf stage); Flower (flowering stage). 3) Bean: Refers to the bean market class used in the intercropping treatment plots including B - for black beans, N for Navy beans, NONE for when beans were not presents in a plot. 4) Grass: refers to grass species used in the intercropping treatment plot including R (Annual Ryegrass), O (Oats), C (Corn), W (Wheat), and NONE (when grass species was not present in the plot). 5) Rep: refers to replication or block number. 5) Salt - Refers to the soluble salt content in ppm. 6) OM - soil organic matter content in LOI percentage 7) Zn - soil zinc concentration in ppm 8) Fe - soil iron concentration in ppm 8) Mn - soil manganese concentration in ppm 9) Cu - soil copper concentration in ppm 10) NO - soil nitrate nitrogen concentration in ppm

Picture taken in 2009 showing that beans planted in monoculture appeared more chlorotic than those in grass intercropped plots.

<p>Picture taken in 2009 showing that beans planted in monoculture appeared more chlorotic than those in grass intercropped plots.</p