O‘Hallorans JM, Muñoz MA, Marquez PE. Chicken manure as an amendment to correct soil acidity and fertility. JAUPR [Internet]. 1997 Apr. 1 [cited 2024 Jul. 17];81(1-2):1-8. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/3669