01816nam a2200313 a 450000100080000000500110000800800410001910000290006024501430008926001630023230000160039550000180041152007970042965000130122665000200123965000150125965000150127465000250128965000250131465000280133965000130136765000160138065000140139665000200141070000140143070000210144470000180146570000190148313258942024-11-04       2001    bl uuuu     u00u1 u    #d1 aSANTOS JÚNIOR, J. D. G.  aMineral acquisition and utilization strategy of three tropical forages at different phosphorus and nitrogen supply.h[electronic resource]  aIn: INTERNATIONAL GRASSLAND CONGRESS, 19., 2001, São Pedro. Grassland ecosystems: an outlook into the 21st century: proceedings. Piracicaba: SBZ: FEALQc2001  ap. 188-189.  a(ID n. 04-22)  aA glasshouse experiment was conduced examine mineral acquisition and utilization strategies of Brachiaria decumbens (BD), Brachiaria brizantha (BB) and Panicum maximum (PM). The plants were grown under nime treatments resulted from the combination of there levels of nitrogen (25, 150 and 300kg/Nha). BD showed the lowst value of root weight and root length per pot, the highest efficiency of P and N Nuptake (P and N uptake mg/ unit root weight g). On the other hand, PM showed lower mineral uptake efficiency, but the higlest mineral use efficiency (dry matter production g / absorbed P and N mg). Moreover, total P and N uptake in BB was the higlest, and this seens to be achieved by the multiplicative effect of moderate mineral uptake efficiency and the moderate size of the root system.  anitrogen  anutrient uptake  aphosphorus  aAbsorção  aBrachiaria Brizantha  aBrachiaria Decumbens  aEficiência Nutricional  aFósforo  aNitrogênio  aNutriente  aPanicum Maximum1 aKANNO, T.1 aMACEDO, M. C. M.1 aCORREA, M. R.1 aBERETTA, L. G.