Concentrations and Risk Evaluation of Selected Heavy Metals in Amaranthus (L.) Leaf Cultivated in Katsina State, North West Nigeria

A. I. Yaradua, A. J. Alhassan, A. Nasir, K. I. Matazu, A. Usman, A. Idi, I. U. Muhammad, S. A. Yaro, Y. Y. Muhammad

Page: 1-12

Nitrogen Doses and Humic Substances in Custard Apple Nutrition

Bismark Lopes Bahia, Ivan Vilas Bôas Souza, Alex Barbosa Mafessoni, Ranyelly Leão Coutrim, Roberlan Ferreira da Silva, Breno Rosa Neves, José Carlson Gusmão da Silva, Abel Rebouças São José

Page: 1-9