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Soil structure

Analysis of Pumphouse RCC Frame Structure for Soil Structure Interaction

Analysis of Pumphouse RCC Frame Structure for Soil Structure Interaction

... When structure is built on ground some elements of structure are direct contact with ...on structure internal forces are developed in both the structure as well as in ...called soil ...

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SOIL STRUCTURE TRANSFORMATIONS FROM FERRALIC TO NITIC HORIZONS ON A TOPOSEQUENCE IN SOUTHEASTERN BRAZIL

SOIL STRUCTURE TRANSFORMATIONS FROM FERRALIC TO NITIC HORIZONS ON A TOPOSEQUENCE IN SOUTHEASTERN BRAZIL

... The soil structure transformation from ferralic to nitic horizons was studied in a toposequence on quaternary red clayey sediments and diabase in Piracicaba (SP), ...analysis, soil water ...

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Soil structure and greenhouse gas production differences between row and interrow

Soil structure and greenhouse gas production differences between row and interrow

... the soil by ...of soil structure in sustaining crop growth was dependent on row and interrow positions in long-term ...took soil samples from a fi eld in a commercial farm under long-term ...

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Pine Harvest Impact on Soil Structure of a Dystric Cambisol (Humic)

Pine Harvest Impact on Soil Structure of a Dystric Cambisol (Humic)

... Soil structure changes in high-disturbance areas were more intense compared to those in the low-disturbance areas, with changes in all analyzed variables compared to the soil conditions at ...the ...

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Soil Structure Interaction between Two Adjacent Buildings under Earthquake Load

Soil Structure Interaction between Two Adjacent Buildings under Earthquake Load

... of Structure-Soil-Structure Interaction (SSSI), causes time period to increase and by increasing the distance between two buildings, time period increases in first mode, but in other modes time ...

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Evaluation of soil structure using participatory methods in the semiarid region of Brazil

Evaluation of soil structure using participatory methods in the semiarid region of Brazil

... environments. Soil-quality indicators are useful elements in evaluating the impact of some agricultural management practices, and the use of recognized indicators which are able to be measured by farmers is an ...

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Soil structure degradation in patches of alfalfa fields

Soil structure degradation in patches of alfalfa fields

... the soil receives water from rain and from surround- ing areas ...when soil is wet. On the other hand, when soil becomes dry, interparticle friction in- creases, increasing soil mechanical ...

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Efeito de métodos de controle de plantas invasoras nos atributos hídricos de um Latossolo

Efeito de métodos de controle de plantas invasoras nos atributos hídricos de um Latossolo

... Therefore, it is important to study the effects of different methods of weed control on soil structure, in both the row and interrow areas (Trintinalio, Tormena, Oliveira Júnior, Machado, & Constantin, ...

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LEVELS OF INDUCED PRESSURE AND COMPACTION AS

LEVELS OF INDUCED PRESSURE AND COMPACTION AS

... A major challenge of studies on sustainability is to develop methodologies with which to evaluate quality of soils and environments subjected to human impact (MENDES et al., 2006). Therefore, this technological ...

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Soil structural quality degradation by the increase in grazing intensity in integrated crop-livestock system

Soil structural quality degradation by the increase in grazing intensity in integrated crop-livestock system

... Traditionally, soil structure evaluations have been based on laboratory ...the soil sample, which compromises the reliability of the results (Pires et ...evaluate soil structure in the ...

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HIGH COFFEE POPULATION DENSITY TO IMPROVE FERTILITY OF AN OXISOL1

HIGH COFFEE POPULATION DENSITY TO IMPROVE FERTILITY OF AN OXISOL1

... reduces soil and water losses and where all crop residues are returned to the soil as compared with low plant population (Siqueira et ...conservation, soil structure, nutrient cycling and ...

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COMPARISON OF FIELD AND LABORATORY MODELS OF THE LOAD BEARING CAPACITY IN COFFEE PLANTATIONS

COMPARISON OF FIELD AND LABORATORY MODELS OF THE LOAD BEARING CAPACITY IN COFFEE PLANTATIONS

... tropical soil structure sustainability and is often determined in laboratory ...of soil structural sustainability follows four distinct steps: soil sampling in the field, uniaxial compression ...

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Chemical and hydrophysical attributes of an Oxisol under coffee intercropped with brachiaria in the Cerrado

Chemical and hydrophysical attributes of an Oxisol under coffee intercropped with brachiaria in the Cerrado

... and soil layers to the sub-subplots. The following soil attributes were determined: total organic carbon, total nitrogen, C/N ratio, carbon and nitrogen stocks, bulk density, aggregate stability, total ...

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Collembola Community Structure as a Tool to Assess Land Use Effects on Soil Quality

Collembola Community Structure as a Tool to Assess Land Use Effects on Soil Quality

... mineral soil (Beylich et ...and soil density may indicate that, in both systems, depths below ...in soil density and a decrease in the abundance and diversity of edaphic collembolan species (Heisler ...

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Research on the Application of Fluid-Structure Interaction in Soil Rock Mixture Slope

Research on the Application of Fluid-Structure Interaction in Soil Rock Mixture Slope

... pore structure, size, geometry, the order and the extension direction have no certain rules to follow, so it has no any precise mathematical method that is used to describe complicated geometry of pore inner ...

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Impact of direct seeding mulch-based cropping systems on soil nematodes in a long-term experiment in Madagascar

Impact of direct seeding mulch-based cropping systems on soil nematodes in a long-term experiment in Madagascar

... Nematodes were extracted by elutriation (Seinhorst, 1962), counted and ! xed in a formalin solution (Villenave et al., 2001). Nematodes were then mounted in mass slides (approximately 250 nematodes per slide) before ...

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Land suitability for final waste disposal with emphasis on septic systems installation in southern Minas Gerais, Brazil

Land suitability for final waste disposal with emphasis on septic systems installation in southern Minas Gerais, Brazil

... on soil, which can cause contamination of the water table and increase the speed of the contamination ...a soil body prior to waste disposal is usually in a balanced stage, thus, the release of in natura ...

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Fungal Community Structure as an Indicator of Soil Agricultural Management Effects in the Cerrado

Fungal Community Structure as an Indicator of Soil Agricultural Management Effects in the Cerrado

... a soil in the Cerrado of Mato ...in soil - changes in soil microbial diversity over time have been related to changes in environmental conditions, such as soil moisture and OM (Lombard et ...

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MATERIAL AND METHODS Study Site and Soil Collection

MATERIAL AND METHODS Study Site and Soil Collection

... Function and diversity of bacterial and fungal communities can be a more efficient and dynamic indicator of soil quality than those based on physical and chemical properties (5, 13). However, little is known of ...

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