Vegetation and soil characteristic of three forage legume pastures on the Loess Plateau
黄土丘陵沟壑区三种豆科人工草地的植被与土壤特征

Lucerne (Medicago sativa), milkvetch (Astragalus adsurgens) and licorice (Glycyrrhiza uralensis) are among the most important forage legumes on the Loess Plateau in China. Various studies have been undertaken on herbage dry matter yield, effects on water and soil conservation, and management aspects of these three legume species. However, study on soil fertility, weeds, and botanical composition of the plant communities has been sparse. Therefore, the biomass, weed invasion and soil fertility of four-year-o...