... Competition, 217Competition Intensity Indices, 218Relative Yield, 218Relative Yield Total, 219Intra- versus Interspecific Competition, 221Importance of Competition, 222Competition in Mixed ... Chapter 3: Invasibility of Agricultural and Natural Ecosystems 83Plant Invasions over Large Geographical Areas, 84Habitat Invasibility, 86Community Invasibility, 87Local Invasions, ... 322Classification Based on Use, 323Soil-Applied Herbicides, 323Foliage-Applied Herbicides, 324Soil Residual Herbicides, 324Soil Fumigants, 326Aquatic Herbicides, 326Classification Based on Biological...