Foliar Spray of Humic Substances on Seedling Production of Watermelon cv. Crimson Sweet

R.R.S. Silva-Matos, I.H.L. Cavalcante, G.B.S. Junior, F.G. Albano, M.S. Cunha and M.Z. Beckmann-Cavalcante

Journal of Agronomy 11 ( 2 ): 60 - 64 , 2012