Research Article

Intercropping of Gramineous Pasture Ryegrass (Lolium perenne L.) and Leguminous Forage Alfalfa (Medicago sativa L.) Increases the Resistance of Plants to Heavy Metals

Figure 1

Pot experiment design drawing. (a) Monoculture of ryegrass; (b) Monoculture of alfalfa; (c) Intercropping of alfalfa and ryegrass. represents ryegrass; represents alfalfa.