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Ash content, carbon and C/N ratio in paricá in function of NPK fertilization

VIEIRA, CRISTIANE R; WEBER, OSCARLINA L S; SCARAMUZZA, JOSÉ FERNANDO.
An. acad. bras. ciênc; 90 (1), 2018
ABSTRACT Fertilization in areas of forest plantations is needed to supplement plants´ nutritional needs until harvest. An experiment was performed to check the influence of fertilization on levels of ash, carbon and C/N relation in Schizolobium amazonicum. Soil liming was performed and fertilization occ...
Carbono/análisis, Carbono/química, Ceniza del Carbón/análisis, Ceniza del Carbón/química, Fabaceae/química, Fabaceae/efectos de los fármacos, Fabaceae/fisiología, Fertilizantes, Bosques, Nitrógeno/análisis, Nitrógeno/química, Fósforo/química, Potasio/química, Valores de Referencia, Reproducibilidad de los Resultados, Suelo/química, Factores de Tiempo
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Plant growth, nutrients and potentially toxic elements in leaves of yerba mate clones in response to phosphorus in acid soils

BARBOSA, JULIERME Z; MOTTA, ANTONIO C V; CONSALTER, RANGEL; POGGERE, GIOVANA C; SANTIN, DELMAR; WENDLING, IVAR.
An. acad. bras. ciênc; 90 (1), 2018
ABSTRACT Native to subtropical region of South America, yerba mate is responsive to P under some conditions, but the degree of influence of genetic and soil on the growth and composition of the leaf is unknown. The aim of study was to evaluate plant growth, nutrients and potentially toxic elements in lea...
Células Clonales/química, Fertilizantes, Ilex paraguariensis/química, Ilex paraguariensis/efectos de los fármacos, Ilex paraguariensis/crecimiento & desarrollo, Fósforo/química, Desarrollo de la Planta/efectos de los fármacos, Hojas de la Planta/química, Hojas de la Planta/efectos de los fármacos, Distribución Aleatoria, Valores de Referencia, Semillas/efectos de los fármacos, Semillas/crecimiento & desarrollo, Suelo/química, Factores de Tiempo, Oligoelementos/análisis
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Biological properties of disturbed and undisturbed Cerrado sensu stricto from Northeast Brazil

Araújo, A S F; Magalhaes, L B; Santos, V M; Nunes, L A P L; Dias, C T S.
Braz. j. biol; 77 (1), 2017
Abstract The aim of this study was to measure soil microbial biomass and soil surface fauna in undisturbed and disturbed Cerrado sensu stricto (Css) from Sete Cidades National Park, Northeast Brazil. The following sites were sampled under Cerrado sensu stricto (Css) at the park: undisturbed and disturbed...
Agricultura, Biomasa, Brasil, Calcio/química, Ecosistema, Concentración de Iones de Hidrógeno, Insectos, Fósforo/química, Potasio/química, Estaciones del Año, Microbiología del Suelo, Suelo, Arañas
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