Results 41 to 50 of about 4,949,057 (173)

Qualidade e relações pedogenéticas da matéria orgânica de alguns solos da região de Irecê (BA)

open access: yesRevista Brasileira de Ciência do Solo, 1998
Foram estudados seis perfis de Cambissolos (P1, P2, P3, P4, P5 e P6) desenvolvidos sobre calcário na microrregião de Irecê (BA), no ano de 1991, objetivando avaliar as principais características da matéria orgânica e as suas possíveis relações com a ...
T. J. F. Cunha, L. P. Ribeiro
doaj   +1 more source

Electrochemical Deposition of Manganese Oxide on Paper‐Based Laser‐Induced Graphene for the Fabrication of Sustainable High‐Energy‐Density Supercapacitors

open access: yesAdvanced Sustainable Systems, Volume 8, Issue 12, December 2024.
An easy, fast, scalable, and energy‐efficient fabrication method utilizing electrochemical deposition of manganese oxide on paper‐based laser‐induced graphene is reported. The study demonstrates the potential application of these electrodes in degradable and flexible high‐energy density supercapacitors, paving the way for large‐scale production of ...
Maykel dos Santos Klem   +5 more
wiley   +1 more source

Natural forest colonisation as a management strategy to restore soil functioning of abandoned agricultural lands

open access: yesJournal of Applied Ecology, Volume 61, Issue 11, Page 2690-2700, November 2024.
Though its effectiveness is variable, passive restoration can be more effective than active restoration. Our research indicates that passive tree colonisation of past agricultural land is enough to achieve soil functionality similar to a mature forest for most variables studied. However, some variables would need more time to reach mature forest levels,
B. Acuña‐Míguez   +4 more
wiley   +1 more source

Soil carbon and nitrogen cycling at the atmosphere–soil interface: Quantifying the responses of biocrust–soil interactions to global change

open access: yesGlobal Change Biology, Volume 30, Issue 10, October 2024.
Despite the critical role of biological soil crusts (biocrusts) in dryland C and N cycles, little is known about how biocrust‐derived C and N move into the soil. This study reveals how biocrusts facilitate the downward movement of C and N and drive the formation of mineral‐associated organic matter in subcrust soils.
K. Witzgall   +12 more
wiley   +1 more source

Digestibilidad “in-situ” de la materia orgánica de alimento para ganado lechero, contaminado con Micotoxinas y adicionado con un Secuestrante. [PDF]

open access: yes, 2016
Ante el grave problema que representan las micotoxinas contenidas en alimentos contaminados que se usan para el ganado lechero y sus consecuencias en los parámetros nutricionales, reproductivos y productivos en la explotaciones lecheras, se ha ideado ...
ADAME QUINTERO, ABIGAIL
core  

Materia orgánica en sistemas de labranza y cultivos en la Serie Tizon [PDF]

open access: yes, 2002
El objetivo del trabajo fue evaluar los niveles de materia orgánica total y sus fracciones en suelos de la serie Tizón en los que se realizan sistemas de labranza y cultivo diferentes. El trabajo se realizó en el Departamento 9 de Julio (Chaco), sobre un
Gutiérrez, Noemí C., Noemí C.   +4 more
core   +1 more source

Net primary productivity and litter decomposition rates in two distinct Amazonian peatlands

open access: yesGlobal Change Biology, Volume 30, Issue 8, August 2024.
Our understanding of carbon cycling in tropical peatlands is limited by the lack of data on forest productivity and litter decomposition. Here we present measurements from two floristically distinct Amazonian peatland forests, a palm‐dominated swamp and a thin‐stemmed hardwood swamp.
G. C. Dargie   +13 more
wiley   +1 more source

Manejo de la materia orgánica en la Orinoquia [PDF]

open access: yes, 2012
Se describe el trabajo desarrollado en el convenio SENA-Tropenbos que hace parte de la serie “formación en Gestión Ambiental y Cadenas Productivas Sostenibles” en el que se exponen saberes el desarrollo de la materia orgánica en la Orinoquia, dinámica de
Gómez Z., Jairo   +1 more
core  

ESTUDO DA INTERAÇÃO DE METAIS (Pb E Cd) COM SUBSTÂNCIAS HÚMICAS DE TURFA

open access: yesColloquium Exactarum, 2017
Dentre os poluentes indicadores de contaminação ambiental, os metais Cádmio (Cd) e Chumbo (Pb) são preocupantes. A interação desses metais com as substâncias húmicas (principais constituintes da matéria orgânica natural) resulta em reações de complexação
Vinícius Marques Gomes   +3 more
doaj  

Caracterização física e química de terras pretas arqueológicas e de solos não antropogênicos na região de Manicoré, Amazonas.

open access: yesAgro@mbiente On-line, 2012
Os solos predominantes na região Amazônica pertencem à classe dos Latossolos e Argissolos, caracterizado por seu alto grau de intemperismo e baixa fertilidade natural, em contraste, ocorrem às terras pretas arqueológicas com elevada fertilidade natural e
Milton César Costa Campos   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy