Effects of shading, relative growth rate and population density on weed responses to nitrogen management in corn

Abstract

Nomenclature: common lambsquarters, Chenopodium album L. CHEAL; common waterhemp, Amaranthus rudis Sauer AM AT A; giant foxtail, Setaria faberi Herrm. SETFA; velvetleaf, Abutilon theophrasti Medicus ABUTH; wild mustard, Brassica kaber (DC.) L.C.Wheeler SINAR; woolly cupgrass, Eriochloa villosa (Thunb.) Kunth ERBVI ; corn, Zea mays ZEAMA; soybean, Glycine max L. GLYMX.