Nogueira, B. B. (2018) “SPAD INDEX IN TOMATOES PLANTS CULTIVATED IN COCONUT FIBER AND SUBMITTED TO FERTIRRIGATION PULSES”, Revista Brasileira de Engenharia de Biossistemas. Tupã, São Paulo, Brazil, 12(1), pp. 1–6. doi: 10.18011/bioeng2018v12n1p1-6.