[PDF] Top 20 SOIL AGGREGATION AND ORGANIC CARBON OF OXISOLS UNDER COFFEE IN AGROFORESTRY SYSTEMS
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SOIL AGGREGATION AND ORGANIC CARBON OF OXISOLS UNDER COFFEE IN AGROFORESTRY SYSTEMS
... O uso intensivo do solo pode levar à perda da sua qualidade física com impactos negativos sobre os agregados do solo, a resistência à penetração das raízes, a porosidade e a densidade do solo. Os sistemas orgânicos e ... See full document
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Soil attributes under different crop management systems in an Amazon Oxisols
... adoption of no-till systems may explain the low levels of MBC and MBN in ...years of no-tillage establishment (during early stages), soils usually have low TOC and low ... See full document
8
Janaina Biral dos Santos1 , Alessandro Coutinho Ramos
... physical and chemical soil properties that interact with macrofaunal groups by influencing their metabolism, while, at the same time, responding to the behavior of soil ...are soil ... See full document
13
Aggregation, carbon, and total soil nitrogen in crop-livestock-forest integration in the Eastern Amazon
... integration systems (ILPF) are alternative systems that combine agricultural, livestock, and forestry activities in the same area, performing consortia, successions, and crop rotations ... See full document
6
Clay content drives carbon stocks in soils under a plantation of Eucalyptus saligna Labill. in southern Brazil
... stabilization of SOM involves the association of organic matter with clay and silt particles, represented by the carbon stock in the MAC ...fraction. In fact, our results ... See full document
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CHEMICAL AND STRUCTURAL CHARACTERIZATION OF SOIL HUMIC SUBSTANCES UNDER AGROFORESTRY AND CONVENTIONAL SYSTEMS
... composition of the HA fraction confirms the data obtained for the FA fraction, with lower C, H and N and higher O contents in AGP and ICF treatments than in SILV and ... See full document
12
Soil Microbial Attributes Under Agroforestry Systems in the Cerrado of Minas Gerais
... aim of this study was to evaluate the soil microbiological attributes of two Agroforestry Systems (AFS) in the city of Grão Mogol-MG considering two soil classes ... See full document
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MICROBIOLOGICAL PROPERTIES AND OXIDIZABLE ORGANIC CARBON FRACTIONS OF AN OXISOL UNDER COFFEE WITH SPLIT PHOSPHORUS APPLICATIONS AND IRRIGATION REGIMES
... TOC and oxidizable fractions of soil organic matter under different split P applications and irrigation regimes are listed in table ...range of values published ... See full document
11
SOIL CARBON AND NITROGEN STOCKS IN TRADITIONAL AGRICULTURAL AND AGROFORESTRY SYSTEMS IN THE SEMIARID REGION OF BRAZIL
... region of Brazil, inadequate management of cropping systems and low plant biomass production can contribute to reduce soil carbon (C) and nitrogen (N) stocks; therefore, ... See full document
12
Biological activity of soils under systems of organic farming, agroforestry and pasture in the Amazon
... parameter in quantifying microbial activity and indirectly, the quality of the ...oxidation of organic matter into CO 2 (ANDERSON; DOMSCH, 1978), having a close relationship with the ... See full document
6
ORGANIC MATTER LABILE FRACTIONS AND CARBON STOCKS IN A TYPIC QUARTZIPSAMMENT CULTIVATED WITH SUGARCANE HARVESTED WITHOUT BURNING
... higher in the area under sugarcane crop, which were affected by their higher bulk density ...values in the native forest area, compared with areas under different management systems, ... See full document
8
Relationships between labile soil organic carbon fractions under different soil
... level of organic carbon (Table 1), the replacement of the native Cerrado vegeta- tion by agricultural production also reduced the level of the labile SOM ...adoption of the NTml ... See full document
8
ORGANIC CARBON AND TOTAL NITROGEN IN THE DENSIMETRIC FRACTIONS OF ORGANIC MATTER UNDER DIFFERENT SOIL MANAGEMENT
... leaching of nutrients from the ashes. This phenomenon especially holds true in the case of monocultures, which, according to Ramos et ...imbalance in the soil’s ...decomposition of the ... See full document
11
Nota Soil AggregAtioN, orgANic cArboN coNceNtrAtioN, ANd Soil bulk deNSity AS Affected by cover crop SpecieS iN A No-tillAge SyStem
... interest in identifying management systems that increase SOM and soil aggregation (Pinheiro et ...storage and directly influence SOM levels and soil ... See full document
9
Carbon in Humic Fractions of Organic Matter in Soil Treated with Organic Composts under Mango Cultivation
... ABSTRACT: Soil organic matter (SOM) plays a key role in maintaining the productivity of tropical soils, providing energy and substrate for the biological activity and modifying ... See full document
11
Organic matter fractions in soil under coffee with split applications of phosphorus and water regimes
... (with and without irrigation) and three replications. Soil from the 0-5 and 5-10 cm layers was ...total organic carbon (TOC), labile carbon (LC), microbial carbon ... See full document
6
PHYSICAL PROPERTIES OF A HUMIC CAMBISOL UNDER TILLAGE AND CROPPING SYSTEMS AFTER 12 YEARS
... made in several studies to describe the effect of management systems on soil physical quality, often related to organic carbon levels (Souza & Alves, 2003; Tormena et ... See full document
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CARBON STOCK AND SOIL AGGREGATION UNDER FOREST FRAGMENTS IN THE ATLANTIC FOREST AND CERRADO BIOMES
... RIBON, A. A.; CENTURION, J. F.; CENTURION, M. A. P. C.; FERNANDES, K. L.; HERMOGENES, L.; TALLES, V. Alterações na estabilidade de agregados de latossolo e argissolo em função do manejo, na entrelinha da seringueira ... See full document
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Comissão 3.5 - Poluição, remediação do solo e recuperação de áreas degradadas OrganiC Matter FraCtiOns and Quality OF the surFaCe layer OF a COnstruCted and Vegetated sOil aFter COal Mining. i - huMiC substanCes and CheMiCal CharaCterizatiOn
... quantification of C stocks and OM quality have frequently been conducted in soils under agricultural production to evaluate the effects of different management systems on ... See full document
9
Simulation of soil organic carbon changes in Vertisols under conservation tillage
... changes in this soil stock can cause large variations in atmospheric carbon ...flows. In general, SOC changes are based on direct methods in the field and the laboratory ... See full document
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