@article{articlef0f0dca2,
title   = {Optimum ratio of calcium and boron in the nutrient solution or in castor bean shoot for fruit yield and seed oil content},
author = {Franco, Henrique Coutinho Junqueira and Lavres Junior, José and Oliveira Junior, Adilson de and Matias, Gean Carlos Silva and Cabral, Cleusa Pereira and Malavolta, Eurípedes},
year = {2012},
journal   = {Journal of Plant Nutrition}
}