Effects of biochar–goat manure application rate and cutting stage on growth and dry matter yield of Panicum maximum in Sudan Savannah zone of Nigeria. NJAP [Internet]. 14 janv. 2026 [cité 14 oct. 2026];53(1):119-30. Disponible sur: https://mail.njap.org.ng/index.php/njap/article/view/9155