Planted on the south side of the University of Illinois campus are fields ... weed science in the Department of Crop Sciences, University of Illinois. Primarily digging into corn and soybean ...

Ask corn growers what their No. 1 weed problem is today, and it’s likely at least one of these three – Palmer amaranth (pigweed), waterhemp or common ... weeds cause in fields across farm ...

Native to North America, sunflowers have been cultivated since pre columbian times for its edible seeds. They are common weeds of roadsides, fence rows, fields, pastures, and waste areas. Flowering is ...