Results 11 to 20 of about 2,661 (199)

Relação solo-relevo-substrato geológico nas restingas da planície costeira do estado de São Paulo Relationship between soil, landscape and geological substrate of the sandy coastal plain of São Paulo state [PDF]

Revista Brasileira de Ciência do Solo, 2010
Atributos morfológicos de 28 pedons, descritos e amostrados em cronossequências, e datações absolutas por luminescência (TL e LOE) e 14C foram utilizados para elucidar os principais fatores envolvidos na formação e evolução dos Espodossolos nos depósitos
Maurício Rizzato Coelho, Vanda Moreira Martins, Pablo Vidal-Torrado, Célia Regina de Gouveia Souza, Xosé Luis Otero Perez, Felipe Macías Vázquez   +5 more
doaj   +6 more sources

Fracionamento do alumínio por técnicas de dissoluções seletivas em espodossolos da planície costeira do Estado de São Paulo Fractionation of aluminum by selective dissolution techniques of soils on the São Paulo State sandy coastal plain [PDF]

Revista Brasileira de Ciência do Solo, 2010
Apesar das modernas e sofisticadas técnicas disponíveis, procedimentos de extração seletiva ainda são de considerável valor para a caracterização dos solos e para o entendimento dos processos pedogenéticos, sobretudo em ambientes e solos pouco estudados,
Maurício Rizzato Coelho, Pablo Vidal-Torrado, Xosé Luiz Otero Perez, Vanda Moreira Martins, Felipe Macías Vázquez   +4 more
doaj   +6 more sources

SOIL FERTILITY AND NUTRIENT MANAGEMENT ON SPODOSOL FOR OIL PALM [PDF]

AGRIVITA Journal of Agricultural Science, 2010
The research was carried out in Oil Palm Plantation in Ngabang, Landak Distric, West Kalimantan in May 2008. Composite soil samples were taken from the soils, in which the oil palms indicated the nutrient disorders.
Djadja Subardja, Antonius Kasno
doaj   +1 more source

Seletividade do pirofosfato de sódio e de cloretos não tamponados (CuCl2 e LaCl3) como extratores de alumínio associado à matéria orgânica em solos de restinga do estado de São Paulo Selectivity of sodium pyrophosphate and unbuffered chlorides (CuCl2 and LaCl3) as extractants of aluminum bound to soil organic matter in soils of the sandy coastal plain in São Paulo state [PDF]

Revista Brasileira de Ciência do Solo, 2010
O Al em complexos com matéria orgânica do solo é comumente determinado por técnicas de dissolução seletiva. Um extrator comum para essa forma do elemento é o pirofosfato de sódio.
Maurício Rizzato Coelho, Pablo Vidal-Torrado, Xosé Luis Otero Pérez, Vanda Moreira Martins, Felipe Macías Vázquez   +4 more
doaj   +5 more sources

Storage Potential of Soil Functional Carbon Fractions in the World's Largest Plantations. [PDF]

Adv Sci (Weinh)
Climate warming and drying increase the loss of mineral‐associated and particulate organic carbon during the conversion of natural forests to plantations. Based on a survey of the world's largest plantations, the study quantifies the soil carbon deficit in plantations and assesses benchmarks and targets for functional soil organic carbon, highlighting ...
Ren S, Wang H, Zhou T, Wang C, Zhou Z, Liu S.   +5 more
europepmc   +2 more sources

Temporal and Spatial Dynamics of Soil Carbon Cycling and Its Response to Environmental Change in a Northern Hardwood Forest. [PDF]

Glob Chang Biol
Over 50 years of soil radiocarbon measurements from a hardwood forest in the northeastern USA show that carbon in soil litter cycles much faster than carbon in mineral soil (0–10 cm)—on the scale of years versus centuries. While soil carbon appears stable at the watershed scale, the litter layer is recently losing carbon at the site scale, suggesting ...
von Fromm SF, Olson CI, Monroe MD, Sierra CA, Driscoll CT, Groffman PM, Johnson CE, Raymond PA, Pries CH.   +8 more
europepmc   +2 more sources

Microbial biomass-C determined using CaCl2 and K2SO4 as extraction reagents

Plant, Soil and Environment, 2005
Microbial biomass-C [MBC] was determined by re-hydration [RHD] technique using two very similar salt solutions in dissociation potency (0.5 mol/l K2SO4 [MBC-K] and 0.01 mol/l CaCl2 [MBC-Ca]) in forest, grassland, arable Cambisols [Inceptisols] and ...
L. Růžek, M. Nováková, K. Voříšek, I. Skořepová, L. Vortelová, Z. Kalfařová, J. Černý, T. Částka, W. Barabasz   +8 more
doaj   +1 more source

Impact of a Historical Fire Event on Pyrogenic Carbon Stocks and Dissolved Pyrogenic Carbon in Spodosols in Northern Michigan

Frontiers in Earth Science, 2017
Inventories of fire-derived (pyrogenic) C (PyC) stocks in soils remain incomplete for many parts of the world, yet are critical to reduce uncertainties in global PyC estimates. Additionally, PyC dynamics in soils remain poorly understood.
Fernanda Santos, Sasha Wagner, David Rothstein, Rudolf Jaffe, Jessica R. Miesel   +4 more
doaj   +1 more source

Micronutrients Considerations for Warm-Season Grass Systems in Florida

EDIS, 2017
Warm-season grasses are vital to livestock production systems and dominate ground cover in tropical and subtropical areas. Many popular warm-season grasses, such as bahiagrass and bermudagrass, have roots that penetrate deeper into the soil profile ...
Jane C. Griffin, Joao Mauricio Buen Vendramini, Diane L. Rowland, Maria Lucia Silveira   +3 more
doaj   +5 more sources

Biodiversity in mountain soils above the treeline. [PDF]

Biol Rev Camb Philos Soc
ABSTRACT Biological diversity in mountain ecosystems has been increasingly studied over the last decade. This is also the case for mountain soils, but no study to date has provided an overall synthesis of the current state of knowledge. Here we fill this gap with a first global analysis of published research on cryptogams, microorganisms, and fauna in ...
Praeg N, Steinwandter M, Urbach D, Snethlage MA, Alves RP, Apple ME, Bilovitz P, Britton AJ, Bruni EP, Chen TW, Dumack K, Fernandez-Mendoza F, Freppaz M, Frey B, Fromin N, Geisen S, Grube M, Guariento E, Guisan A, Ji QQ, Jiménez JJ, Maier S, Malard LA, Minor MA, Mc Lean CC, Mitchell EAD, Peham T, Pizzolotto R, Taylor AFS, Vernon P, van Tol JJ, Wu D, Wu Y, Xie Z, Weber B, Illmer P, Seeber J.   +36 more
europepmc   +2 more sources