Yagi, Renato, Nilceu Ricetti Xavier de Nazareno, and Jackson Kawakami. 2019. “Poultry Litter and Fresh Mulch of Elephant Grass Improve the Organic Potato Production”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics] 50 (November): e57585. https://teste.revistas.ufg.br/pat/article/view/57585.