@book{331383,
	author = {Guedes, Rafael Silva },
	title = {Tillage systems and cover plants change organic fractions of phosphorus in oxisol of eastern Amazonia},
	note = {Publicação on-line; 43 ref.; 4 tables; Sumaries (En)},
	url = {https://www.scielo.br/j/brag/a/LpmjtN9mSswVdJdncWGSDvb/?format=pdf&lang=en}
}