Data/hora: 23/09/2024 20:10:01

Biblioteca(s): 	Embrapa Arroz e Feijão; Embrapa Solos.	
Data corrente: 	02/09/2008	
Data da última atualização: 	21/09/2021	
Autoria: 	PRADO, R. B.; BENITES, V. M.; MACHADO, P. L. O. de A.; POLIDORO, J. C.; DART, R. O.; NAUMOV, A.	
Afiliação: 	RACHEL BARDY PRADO, CNPS; VINICIUS DE MELO BENITES, CNPS; PEDRO LUIZ OLIVEIRA DE A MACHADO, CNPAF; JOSÉ CARLOS POLIDORO, CNPS.	
Título: 	Mapping potassium availability from limited soil profile data in Brazil.	
Ano de publicação: 	2008	
Fonte/Imprenta: 	In: HARTEMINK, A. E.; McBRATNEY, A.; MENDONÇA-SANTOS, M. de L. (Ed.). Digital soil mapping with limited data. New York: Springer, 2008.	
Páginas: 	p. 91-101.	
ISBN: 	978-1-4020-8591-8	
Idioma: 	Inglês	
Conteúdo: 	Brazilian soils are generally acidic with low base saturation and low plant available potassium (K). Potassium fertilizers play important role in production costs and farmers receive no governmental subsidies. Strategies are needed to improve potassium fertilizer delivery to different regions in Brazil and to establish affordable prices and balanced potassium consumption. For such strategy, it is necessary to take into account the different soil classes with its varying K levels. The purpose of this study was to map soil K in Brazil considering the different biomes and applying techniques to reduce problems caused by limited soil profile data. A soil profile data set was constructed from the soil archives of Embrapa Soils, Rio de Janeiro, Brazil.	
Palavras-Chave: 	Soil profile.	
Thesagro: 	Fertilizante; Potássio; Solo.	
Thesaurus Nal: 	potassium fertilizers.	
Categoria do assunto: 	P Recursos Naturais, Ciências Ambientais e da Terra	
Registro original: 	Embrapa Arroz e Feijão (CNPAF)	
Exemplares: 	CNPAF - (27356-1) - UPC - PL - PP - 631.4 - H327d - 2008.00016 - DIS
CNPS - (13517-1) - UPC - PL - DD -  -  - 2008.00162 - DIS