Research Article
Foliar Spray of Humic Substances on Seedling Production of Papaya (Pawpaw)
Department of Agronomy, Federal University of Piaui, Bom Jesus, Piaui, Brazil
R.R.S. Da Silva
Department of Soil Science and Plant Nutrition, Federal University of Piau�, Bom Jesus, Piaui, Brazil
F.G. Albano
Department of Agronomy, Federal University of Piaui, Bom Jesus, Piaui, Brazil
F.N. De Lima
Department of Agronomy, Federal University of Piaui, Bom Jesus, Piaui, Brazil
A. De S. Marques
Department of Agronomy, Federal University of Piaui, Bom Jesus, Piaui, Brazil