The composition levels of selected trace elements in soils from the major rice producing regions of Thailand and South Vietnam and some factors related to the abundance of these elements - Paiboon Prabuddham, 1939- (Ann Arbor, Mich. : University Microfilms International, 1975)
Thesis (Ph.D.) - University of Illinois at Urbana - Champaign, 1975
Keywords: Soil -- Trace elements content; Rice -- Soils