00985naa a2200253 a 450000100080000000500110000800800410001902000220006010000190008224500760010126000090017730000160018652002080020265000200041065000230043065000270045365000260048065000170050665000280052365000270055165000090057870000170058777301270060419594052013-06-07 2013 bl uuuu u00u1 u #d a978-0-8138-1989-11 aFAGERIA, N. K. aWater- and nutrient-use efficiency in food production in South America. c2013 ap. 275-296. aIntroduction. Major soil groups in South America. Cropping systems in South America. Water-use efficiency. Nutrient uptake by crop plants. Nutrient-use efficiency in crop plants. Conclusions. References. aFood production aWater conservation aConservação da água aDeficiência hídrica aFertilizante aProdução de alimentos aRelação água-planta aSolo1 aSTONE, L. F. tIn: RENGEL, Z. (Ed.). Improving water and nutrient-use efficiency in food production systems. Ames: Wiley-Blackwell, 2013.