Zoz, T., Steiner, F., Seidel, E. P., Castagnara, D. D. and Souza, G. E. de (2016) “Foliar application of calcium and boron improves the spike fertily and yield of wheat ”, Bioscience Journal. Uberlândia, MG, 32(4), pp. 873–880. doi: 10.14393/BJ-v32n4a2016-29714.