Productive Performance and Development Characteristics of Root Systems of 4 Forage Legume Species in Loess Plateau, China A Survey of Hainan Island Forage Legume Resources and Assessment of their Nutritional Values PARASITIC FUNGI AND FUNGAL DISEASES ON FORAGE LEGUMES IN NORTHERN XINJIANG Study on Early Establishment of Reseeding Forage Legumes into Natural Mowing Grassland in Bashang of Hebei Province Root-invading fungi of lucerne and winter wheat in the rotation system on the Loess Plateau