@article{article17ff5649,
title   = {Alfalfa dry matter yield, nutritional status and economic analysis of potassium fertilizer doses and frequency},
author = {Bernardi, Alberto C. de Campos and Rassini, Joaquim B and Mendonça, Fernando Campos and Ferreira, Reinaldo de Paula},
year = {2013},
journal   = {International Journal of Agronomy and Plant Production}
}