Legumes 20 Legume Research 7 legumes 6 LEGUME 5 Nitrogen 5 Vegetables 5 Dissertations, Academic (Ph.D) 4 Field Crops, (New March 2000) 4 LEGUMES 4 Nitrogen-fixing plants 4 Plant Breeding and Genetics 4 Agriculture 3 Biotechnology 3 Cereals Diseases 3 Entomology 3 GRAIN LEGUMES 3 Grain legumes 3 Horticultural Crops, (New March 2000) 3 LEGUME RESEARCH : An international Journal 3 Nitrogen-fixing microorganisms 3 Nutrition 3 Plants 3 Root crops 3 Thesis (Ph.D)-Botany 3 forage crops 3 Agricultural Entomology 2 Agronomy 2 Bacteriology 2 Biochemistry 2 Botany 2