Root Characteristics and Root Distribution Studies of Some Vetiver Grass (Vetiveria Zizanioides L. Nash and Vetiveria Nemoralis A. Camus) in Thailand by Using P-32 Tracer Technique

Root Characteristics and Root Distribution Studies of Some Vetiver Grass (Vetiveria Zizanioides L. Nash and Vetiveria Nemoralis A. Camus) in Thailand by Using P-32 Tracer Technique