Crescimento, fotossintese e eficiencia do uso de nitrogenio em milho, feijao e mandioca submetidos a dois niveis de N no solo
Anatomia Kranz, estructura y distribucion de cloroplastos en hojas de yuca (Manihot esculenta Crantz)
Cultivar x cropping system interactions in relay and row intercropping of bush beans with different maize plant types
Phaseolus novoleonensis, a new species (leguminosae, phaseolinae) from the Sierra Madre Oriental, Nuevo León, México
Genetic improvement and related activities. Improvement of individual characters. Tolerance to acid soils
Genetic improvement and related activities. Improvement of individual characters. Nutritional quality
Genetic improvement and related activities. Improvement of individual characters. Photoperiod-temperature adaptation