Research Article
Nitrate Content on Summer Lettuce Production Using Fish Culture Water
E. Rico-Garcia,
V.E. Casanova-Villareal,
A. Mercado-Luna,
G.M. Soto-Zarazua,
R. G. Guevara-Gonzalez,
G. Herrera-Ruiz,
I. Torres-Pacheco and R.V. Velazquez-Ocampo