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Soil Textural Classes

Biomass accumulated by Entandrophragma angolense (Welw.) C DC. seedlings under different light intensities and soil textural classes Iroko O.A. Forestry Research Institute of Nigeria. olayinkairoko@gmail.com

Biomass accumulated by Entandrophragma angolense (Welw.) C DC. seedlings under different light intensities and soil textural classes Iroko O.A. Forestry Research Institute of Nigeria. olayinkairoko@gmail.com

... Interactions of light intensities and soils showed that seedlings grown using sandy-loam placed under 50% LI had the highest mean Stem Dry Weight (SDW) of 1.80 g while seedlings grown using loamy-sand placed under 25% LI ...

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Effect of Soil Textural Classes on the Biological Nitrogen Fixation by Bradyrhizobium Measured by 15N Dilution Analysis

Suad A. Al-Saedi| Ibrahim B. Razaq|Norrya A. Ali

Effect of Soil Textural Classes on the Biological Nitrogen Fixation by Bradyrhizobium Measured by 15N Dilution Analysis Suad A. Al-Saedi| Ibrahim B. Razaq|Norrya A. Ali

... of soil texture on biological nitrogen fixation (BNF) of six most efficient local isolates, specified, of ...different soil textural classes, was as in the following order: medium texture ...

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Variability of Water Air Properties of Hydromorphic Soils in Relation to the Granulometric Composition

Variability of Water Air Properties of Hydromorphic Soils in Relation to the Granulometric Composition

... The retention of water at the pressure of 0.33 bar was the least in the sand (13.9 vol.%) and soils of a light- mechanical composition, and gradually increased to clay loam textural classes (55.4 vol.%), ...

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STUDY ON SOIL WATER DYNAMICS FOR SHIRLA NEMANE WATERSHED

STUDY ON SOIL WATER DYNAMICS FOR SHIRLA NEMANE WATERSHED

... study soil-water dynamics in detail for managing rainfed as well as irrigated ...to soil water dynamics needs an input of the important soil hydraulic ...basic soil properties data to estimate ...

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Field scale spatial variation in yields and nitrogen fixation of clover grass leys and in soil nutrients

Field scale spatial variation in yields and nitrogen fixation of clover grass leys and in soil nutrients

... The higher amounts of BNF have been ex- plained in many cases by higher clover dry matter production, not by higher Ndfa (Väisänen et al. 2000, Huss-Danell et al. 2007). Our results from measurements with the 15 N ...

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Landmark Papers: No. 8 Burgess, T.M. & Webster, R. 1980. Optimal interpolation and isarithmic mapping of soil properties. I. The semi-variogram and punctual kriging. Journal of Soil Science, 31, 315–331 Reflections by R. Webster

Landmark Papers: No. 8 Burgess, T.M. & Webster, R. 1980. Optimal interpolation and isarithmic mapping of soil properties. I. The semi-variogram and punctual kriging. Journal of Soil Science, 31, 315–331 Reflections by R. Webster

... as soil scientists. Soil is almost the ideal medium for practical ...as soil is formed, the numerous processes that operate and have operated in combination over many millennia to form the ...

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Distribution and Forms of Cobalt and Its Relationship to Mineralogical Composition in Soils of the 10th of Ramadan City,Egypt

Distribution and Forms of Cobalt and Its Relationship to Mineralogical Composition in Soils of the 10th of Ramadan City,Egypt

... When textural variations are taken into account, it has been evident that the values of chemically extractable Co ranged from ...textured soil layers, ...

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Effect of burning on infiltration, sediment, and other soil properties in a mesquite-tobosagrass community.

Effect of burning on infiltration, sediment, and other soil properties in a mesquite-tobosagrass community.

... Soil bulk density, noncapillary porosity, and large size classes of soil aggregates were the most important site characteristics affecting rainfall infiltration; and[r] ...

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Interactive Evaluation of Soil Erosion using Soil Loss Equation and Interviews in the Desertification Prone Katsina State of Nigeria

Interactive Evaluation of Soil Erosion using Soil Loss Equation and Interviews in the Desertification Prone Katsina State of Nigeria

... of soil loss as it was the same area identified to have a significant decline in ...significant soil loss experienced in the Sahel Savannah has a direct correlation with the vegetation cover of the study ...

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Effect of phosphate fertilizer application on manganese adsorption by some soils in Borno state

Effect of phosphate fertilizer application on manganese adsorption by some soils in Borno state

... rock, soil, and water. Manganese (Mn) is present in the soil in greater quantities than other trace elements, with the exception of ...in soil as a result of mineral weathering and atmospheric ...

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Apportionment of hazardous elements in Agricultural soils around the vicinity of brick kiln in Bangladesh

Apportionment of hazardous elements in Agricultural soils around the vicinity of brick kiln in Bangladesh

... Twelve different sampling sites were selected for this study in Tangail district, Bangladesh (Fig.1). The area of Tangail district is 3414.28 km2 and located at the center point in Bangladesh. Tangail district is one of ...

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Digital soil mapping from conventional field soil observations

Digital soil mapping from conventional field soil observations

... classical soil mapping at very small scales, even when the soil profile descriptions were collected merely by field estimation ...conventional soil maps, this model enables us to address the diffuse ...

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SUSTAINABLE MODELS FOR BETTER DESIGN OF  FOUNDATION SYSTEMS

SUSTAINABLE MODELS FOR BETTER DESIGN OF FOUNDATION SYSTEMS

... When soil or concrete exhibits purely elastic characteristics, elastic models are ...idealized soil response is to assume the behavior supporting soil medium as a linear elastic ...represent ...

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CBIR using Textural Feature

CBIR using Textural Feature

... In this paper, we have described the Histogram and Gabor filter based method for image retrieval, a comparative study has been carried out on feature extraction techniques and extracts t[r] ...

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Land Cover Map Delineation, for Agriculture Development, Case Study in North Sinai, Egypt Using SPOT4 Data and Geographic Information System

Land Cover Map Delineation, for Agriculture Development, Case Study in North Sinai, Egypt Using SPOT4 Data and Geographic Information System

... 60 classes was ...the classes that belong to the same land cover class were combined and the combined class was given a specific color, name and ...cover classes were re-labeled according to FAO land ...

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Application of soil properties, auxiliary parameters, and their combination for prediction of soil classes using decision tree model

Application of soil properties, auxiliary parameters, and their combination for prediction of soil classes using decision tree model

... digital soil mapping is the decision tree ...the soil families in Baneh, western ...predict soil class in Nevada. They concluded that this method predicted soil groups more ...in soil ...

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Feature Selection towards Soil Classification in the context of Fertility classes using Machine Learning

Feature Selection towards Soil Classification in the context of Fertility classes using Machine Learning

... We have used rough set in ROSTTA tool to apply our soil samples of different locations of hilly areas in Almora district in Uttarakhand. As we have already discussed in methodology section, we split the data in ...

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X-Ray Diffraction Analysis in Textural Studies of Some Soil Minerals Identified in Rivers State of Nigeria

X-Ray Diffraction Analysis in Textural Studies of Some Soil Minerals Identified in Rivers State of Nigeria

... Textural studies on crystalline systems generally employ a material in which there are many microscopic crystals oriented at random in all directions. This method greatly extended the range of crystalline matter ...

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Evaluating the Flush of CO2 as a Short-Term Biological Indicator of Soil Nitrogen Availability.

Evaluating the Flush of CO2 as a Short-Term Biological Indicator of Soil Nitrogen Availability.

... for textural analysis modified from Gee and Bauder ...hours. Soil solution was transferred to a 1-L cylinder and diluted to 1-L volume with deionized ...hours. Soil clay concentration was determined ...

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Effect of Soil Textural Property on Nutrient Profile of Clarias gariepinus (Burch, 1822) from Earthen Ponds

Effect of Soil Textural Property on Nutrient Profile of Clarias gariepinus (Burch, 1822) from Earthen Ponds

... 13. Asadu CL, Chibuike GU, Dixon AG. Micronutrients availability in a cleared forest land after seven years of continuous cultivation and eight years of natural fallow in an Alfisol in Eastern Nigeria. In: Ojeniyi SO, ...

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