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Showing 1 to 20 of 30 for “"soil chemical properties"”.
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Soil chemical properties in pine plantations of different ages in the Eastern Escarpement region of South Africa
… accepted that afforestation adversely affects soil chemical properties. A significant decrease in pH, base cation status and acid neutralising capacity (ANC), coupled with increasing acidity have been observed to occur in acid coniferous forest soils both in the Northern and Southern …
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Evaluation of the Effects of Absorption Field Product Architecture Type on Effluent Dispersal and Soil Chemical Properties in a Profile-Limited Soil
… pipe-and-gravel design under wet and dry soil conditions. Thirteen products of four different architecture types were installed at the Bethel Heights Wastewater Treatment Facility (BHWTF) in a Captina silt-loam soil (fine-silty, siliceous, active, mesic Typic Fragiudult) with redoximorphic …
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Relationships between soil chemical properties and forest structure, productivity and floristic diversity along an altitudinal transect of moist tropical forest in Amazonia, Ecuador.
Entlang eines Höhentransektes von ungestörten höheren Tiefland zu montanen Primärwäldern in Nordost Ecuadors, im Gebiet des Sumaco Biosphären Reservates (SBR), untersuchten wir die die Hypothesen, dass (1) die Verfügbarkeit von Phosphor niedrig ist in den tiefer gelegenen Wäldern und mit …
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Effects of Biochar Application on Soil Fertility and Pearl Millet (Pennisetum glaucum L.) Yield
Biochar amendment to agricultural soils has been promoted for use in agricultural systems, both to mitigate global warming by increasing long-term soil carbon (C) sequestration and to enhance soil fertility and crop productivity. The objective of this study was to evaluate the effects of a single …
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Phosphate Reactivity in Long-Term Manure Amended Soils in the Ridge and Valley of Virginia
… released in overland flow is related to P form, soil solution P concentration and the release rate of P from soil. Models relating soil test P (STP) to water soluble P (WSP) and the degree of P saturation (DPS) to STP are used in Virginia to estimate P loss potential. Typically the reservoir of …
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Quality Soil Management in Illinois Using Winter Cover Crops
… of information regarding the effects of WCC on soil productivity. The objective of this study was to assess the effects of different crop rotations on several soil physical and chemical properties. Three crop sequences including WCC were compared with winter fallowing (control) in a corn (Zea …
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Effect of agronomic practices using organic amendments on selected chemical properties of soils in Chipata and Kasama, Zambia
… by small scale resource poor farmers who rely on soils with inherently low fertility. When soil productivity declines farmers put affected fields on fallow to allow the fertility to regenerate, and open up new fields. This type of farming is not sustainable due to the increasing human population. …
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Effect of agronomic practices using organic amendments on selected chemical properties of soils in Chipata and Kasama, Zambia
… by small scale resource poor farmers who rely on soils with inherently low fertility. When soil productivity declines farmers put affected fields on fallow to allow the fertility to regenerate, and open up new fields. This type of farming is not sustainable due to the increasing human population. …
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Comparison of soil properties and Kentucky bluegrass shoots mineral composition prior to and after 10-11 years irrigation with recycled water
… of this research were to: 1) assess changes in soil chemical properties after 5 and 11 years of recycled water irrigation, 2) determine if there is any heavy metal accumulation in soil after 11 years of recycled water irrigation, 3) evaluate Kentucky bluegrass (Poa pratensis L.) (KBG) turf …
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Comparative effects of conservation tillage systems on selected soil properties and yields of groundnut(arachis hypogaea)
… in Zambia based on reported improvements in soil infiltration, moisture, soil carbon, microbial activity and reduced bulk density over time. However, the effects in groundnuts such as plant development, agronomic aspects such as biological nitrogen fixation and yields under conservation …
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Comparative effects of conservation tillage systems on selected soil properties and yields of groundnut(arachis hypogaea)
… in Zambia based on reported improvements in soil infiltration, moisture, soil carbon, microbial activity and reduced bulk density over time. However, the effects in groundnuts such as plant development, agronomic aspects such as biological nitrogen fixation and yields under conservation …
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Nutrient fluxes and soil microbial processes
… to windfall, forest dieback, drought, as well as soil acidification have caused negative ecological impacts in many sites. Conversion of conifers into deciduous or mixed stands has been suggested by some foresters, in order to improve the stability, ecology and biodiversity of forest ecosystems. …
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The movement of calcium and magnesium in selected Virginia soils from surface applied dolomitic limestone
… Mg ha⁻¹ on the Piedmont and Ridge and Valley soils were made to seven acid Virginia soils. These amendments were made to document movement of Ca and Mg as well as neutralization of soil acidity within these soil profiles. During the fourth growing season following application, samples in 5 or …
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The role of organic matter and other soil properties in Zn2+ activity and AB-DTPA-extractable Zn in soils
… well as a potential heavy metal contaminant in soils. In soil solution, the free Zn activity determines the availability of Zn as a micronutrient and its characteristics as a heavy metal contaminant. A better understanding of the mechanism that controls free Zn activity could improve soil …
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Effects of soil amendments on crusting, seedling emergence and yield of onion, tomatoes and peppers.
… (H₂SO₄,Al₂(SO₄)₃ and gypsum) or crust formation, soil chemical properties, seedling emergence and yields of onions (Allium cepa), tomatoes (Lycopersicum esculentum) and chili peppers (Capsicum sp.) were studied on a Pima clay loam soil. Treatments were surface applied on a strip above the seeds. …
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Analysis of Reconstructed Mine Soils on Reclaimed Coal and Mineral Sands Mined Lands in Virginia
… use potentials are greatly influenced by mine soil properties. I analyzed and classified coal mine soils in SW VA and mineral sands mine soils in SE VA to aid development of appropriate post-mining land use interpretations. For coal mine soils, long-term pedogenesis was assessed in sandstone …
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Effect of summer and winter rotations on selected soil properties and productivity of succeeding winter chickpea (Cicer arietinum L.)
… that crop rotation positively affects physical, chemical and biological properties of the soil consequently increasing the yields in the long run. Therefore, this study assessed the residual effect of summer and winter crop rotations on selected soil chemical properties and soil biological health …
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Assessing the potential of biochar to restore degraded lands
… knowledge. Biochar is the product of the thermochemical conversion of biomass through pyrolysis. Using biochar as a soil ameliorant has been increasingly advocated because of its effects on soil properties, crop productivity, and carbon sequestration. Biochar has been reported to improve soil …
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Assessing the potential of biochar to restore degraded lands
… knowledge. Biochar is the product of the thermochemical conversion of biomass through pyrolysis. Using biochar as a soil ameliorant has been increasingly advocated because of its effects on soil properties, crop productivity, and carbon sequestration. Biochar has been reported to improve soil …
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Management and monitoring in protected areas: a case study in the New Forest National Park. The effects upon Valley Mire and Heathland Communities.
… were compared. The plant community and soil chemical properties were assessed using randomly distributed quadrats within plots set up at each site location. A total of 30 heathland plots and 60 mire plots were established. Results showed that different heathland management resulted in …
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