02216nam a2200229 a 450000100080000000500110000800800410001902000180006010000110007824500500008926000260013930000110016550000930017652015950026965000230186465000140188765000100190165000260191170000160193770000140195370000190196714649252006-07-21       2001    bl uuuu      00u1 u    #d  a4-431-70281-41 aAE, N.  aPlant nutrient acquisitionbnew perspectives.  aTokyo: Springerc2001  a520 p.  aPaper presented at the International  Workshop hel in Tsukuba, Japan, March 24-27, 1998.  aHistorical significance of nutrient acquisiction in plant nutrition research; Plant nutritional problems in marginal soils of developing countries; Root exudates in phosphorus acquisition by plant; Interspecific differences in the root exudates in phosphorus acquisition; The role of mugineic acid in iron acquisition: progress in cloning the genes for transgenic rice; The role of root exudates in aluminum tolerance; The role of thesurface of the plasma membrane in aluminum tolerance; Adaptation mechanisms of upland rice genotypes to highly weathered acid soils of South American Savannas; The role of the root cell wall in aluminum toxicity; Boron in plant nutrition and cell wall development; The significance of the root cell wall in phosphorus uptake; Structure of plant cell walls and implications for nutrientacquisition; Phosphate-solubilizing microorganisms and their use; Phosphorus nutrition in cropping systems through arbuscular mycorrhizal management; A new control method of soybean cys nematode using animal  feces; The effectiveness of nitrogen derived from organic matter: resulsts from long-term experiments; Short-circuiting the nitrogen cycle: ecophysiological strategies of nitrogen uptake in plants from marginal environments; Possibility of direct acquisition of organic nitrogen by crops; Direct uptake of macro organic molecules; Implications of soil- acidity tolerant maize cultivars to increase production in developing countries; A marker-based approach to improve nutrient acquisition in rice; Significance of nutrient uptake mechanisms in cropping systems.  aNutrição vegetal  aNutriente  aRaíz  aRelação solo-planta1 aARIHARA, J.1 aOKADA, K.1 aSRINIVASAN, A.