Santos, A.B. dos, Fageria, N.K. and Carvalho, J.R.P. de (2014) “Effects of two different technologies on growth, yield and nutrient uptake by upland rice”, Pesquisa Agropecuaria Brasileira, 17(7), pp. 1041–1050. doi:10.1590/S1678-3921.pab1982.v17.15986.