(1)
Duarte, W. M.; Mafra, Álvaro L.; Foresti, M. M.; Piccolla, C. D.; Almeida, J. A. Potential of Olivine Melilitite, Granite and Sienite in the Availability of Potassium in Soils.
Rev. Ciênc. Agrovet.
2013
,
12
, 68-77.