Effects of clipping on size and tillering of native and African grasses of the Brazilian savannas (the cerrado) [Axonopus barbigerus, Axonopus marginatus, Echinolaena inflexa, Schizachyrium tenerum, Trachypogon polymorphus, introduced plants]

altura andropogon gayanus axonopus biological competition brachiaria decumbens brasil brazil crecimiento croissance especies establecimiento de plantas fauchage gramineas graminee grasses grasslands growth hauteur height herbage hyparrhenia rufa introduction de plantes macollamiento melinis minutiflora mowing plant establishment plant introduction poda praderas pruning sabanas saison savane seasons siega species taille tallage tillering trachypogon vegetation