TY - GEN AU - Trumble, H C AU - Whyte RO, Nilsson-Leissner G TI - Legumes in agriculture T2 - FAO agricultural studies U1 - 633.3 WHY CY - Italy, Food andAgriculture Organization of the United Nat KW - Legumes-agriculture/legumes-economic botany/legumes-nitrogen fixation ER -