Santos, Claudiana M Dos Photosynthetic capacity and water use efficiency in Ricinus communis (L.) under drought stress in semi-humid and semi-arid areas. [electronic resource] - Anais da Academia Brasileira de Ciencias - 3015-3029 p. digital Publication Type: Journal Article ISSN: 1678-2690 Standard No.: 10.1590/0001-3765201720160729 doi Subjects--Topical Terms: Adaptation, Physiological--physiologyDesert ClimateDroughtsHumidityPhotosynthesis--physiologyPlant TranspirationRicinus--physiologySeasonsStress, Physiological--physiologyTropical ClimateWater