@book{330654,
	author = {Souza, Henrique Antunes de },
	title = {Critical levels and sufficiency ranges for leaf nutrient diagnosis by two methods in soybean grown in the Northeast of Brazil},
	note = {Publicação on-line; 30 ref.; 2 illus; 4 tables; Sumaries (En)},
	url = {https://www.scielo.br/j/rbcs/a/TNstzpqmhSfHrxvFD4YhFMb/?format=pdf&lang=en}
}