Argentina: researches Lotus tenuis in the Pampas and Leucaena in the semi-arid Chaco.

Brazil: works with legumes intercropped with Brachiaria in the Atlantic Forest region and can measure biological nitrogen fixation.

Uruguay: studies nitrogen fixation and legume tolerance to drought and phosphorus-poor soils.

Paraguay: validates new varieties at its 11 research centers.

Dominican Republic: identified herbaceous, shrub and tree legumes for silvopastoral systems.

Ecuador: has 6.49 million hectares with potential for pastures.