mineral weathering
Biological enhancement of mineral weathering by Pinus sylvestris seedlings – effects of plants, ectomycorrhizal fungi, and elevated CO2
... stimulate mineral weathering (Finlay et ...influence weathering, and the proposed mechanisms include acidification (Balogh-Brunstad et ...influence weathering rates, little is known about ...
13
Response of soil mineral weathering to elevated carbon dioxide
... Mineral weathering occurs when minerals that were formed deep within the Earth’s crust at high temperatures and pressures are exposed to the atmosphere and react with water and its ...soil mineral ...
179
Evolution of trees and mycorrhizal fungi intensifies silicate mineral weathering
... on mineral weathering by excluding tree roots with mesh bags ...S2). Weathering of calcium from silicates plays a major role in regulating atmospheric CO 2 on geological ...
6
DELIBERATING PLANT GROWTH PROMOTING AND MINERAL-WEATHERING PROFICIENCY OF STREPTOMYCES NANHAIENSIS STRAIN YM4 FOR NUTRITIONAL BENEFIT OF MILLET CROP (PENNISETUM GLAUCUM)
... the mineral density of cereal crops and few reports on Actinobacteria for improvement chickpea seed mineral density (Sathya et ...with mineral weathering ...and mineral solubilisation ...
6
Investigating the role of microbes in mineral weathering: Nanometre-scale characterisation of the cell-mineral interface using FIB and TEM
... sufficiently significant to be confident of this. Similarly, EF-TEM jump ratio elemental maps did not show any elemental depletion beyond 6 or 7 nm from the interface, or any differences between the elements tested. ...
20
Oxalate secretion by ectomycorrhizal Paxillus involutus is mineral specific and controls calcium weathering from minerals
... ectomycorrhizal weathering is ulti- mately driven by fungal allocation of photoassimilate received from a host plant (in this case, Pinus sylvestris), (ii) the release of calcium from minerals, and its ...
15
Oxalate secretion by ectomycorrhizal Paxillus involutus is mineral-specific and controls calcium weathering from minerals
... ectomycorrhizal weathering is ulti- mately driven by fungal allocation of photoassimilate received from a host plant (in this case, Pinus sylvestris), (ii) the release of calcium from minerals, and its ...
14
Biology as an agent of chemical and mineralogical change in soil
... in mineral-rich soil) and Lumbricus terrestris (lives in semi-permanent vertical burrows) – were cultivated 2,3 ...of mineral and 7 g of manure were mixed and a single earthworm was added to the ...of ...
5
Constraining the role of early land plants in Palaeozoic weathering and global cooling
... chemical weathering leading to the production of secondary minerals, clays and thin soils; these effects being absent from adjacent bare areas of the same granitic outcrop ...in mineral weathering ...
8
The role of forest trees and their mycorrhizal fungi in carbonate rock weathering and its significance for global carbon cycling
... Hyphae can produce channels and trenches on carbonate minerals, for example on polished marble after 4 months colonization by Heboloma crustaliniforme ectomycorrhizal with Pinus sylvestris (Rosling 2003). Channels have ...
15
Oxalate secretion by ectomycorrhizal Paxillus involutus is mineral-specific and controls calcium weathering from minerals
... ectomycorrhizal weathering is ulti- mately driven by fungal allocation of photoassimilate received from a host plant (in this case, Pinus sylvestris), (ii) the release of calcium from minerals, and its ...
14
Oxalate secretion by ectomycorrhizal Paxillus involutus is mineral-specific and controls calcium weathering from minerals
... ectomycorrhizal weathering is ulti- mately driven by fungal allocation of photoassimilate received from a host plant (in this case, Pinus sylvestris), (ii) the release of calcium from minerals, and its ...
14
Weathering Characteristics of Hwango-dong Three-story Stone Pagoda in Gyeongju, Korea
... Because most of the stone cultural properties are installed outdoors, their natural shape and form are greatly damaged due to natural weathering. The main causes of damage of stone cultural properties are ...
5
Engineering geological investigations and hazard assessment for the Picton, Waikawa and Shakespeare Bay area, Marlborough Sounds
... Weathering grade/profile correlation Weathering profiles of the study area Classification of weathered greywacke soil samples Activity data Penetrometer results Landslides in colluvium, [r] ...
183
Influence of Cl- on the Initial Corrosion of Weathering Steel in Simulated Marine-Industrial Atmosphere
... The atmospheric corrosion products on the weathering steel were analyzed by X-ray diffraction techniques. Powdered rust was scraped from the rusted steel surface using a razor blade and the powdered rust was ...
14
Elemental and isotopic behaviour of Zn in Deccan basalt weathering profiles: Chemical weathering from bedrock to laterite and links to Zn deficiency in tropical soils
... Elemental and isotopic behaviour of Zn in Deccan basalt weathering profiles: Implications for chemical weathering from bedrock to laterite and links to Zn deficiency in tropical soils.. [r] ...
50
Spatial and temporal variations of Rb/Sr ratios of the bulk surface sediments in Lake Qinghai
... physical weathering and chemical weathering in Lake Qinghai catchment have opposite influence on Rb/Sr ratios of the bulk sediments, and they compete in dominating the Rb/Sr ratios of lake sediments on ...
8
Insights into biogeochemical cycling from a soil evolution model and long-term chronosequences
... pability is based on a hierachy of model simulations starting with a profile subject to weathering and leaching only, with each further simulation including an additional pro- cess. We then evaluate the model with ...
58
Weathering characteristics of bamboo (Phyllostachys puberscence) exposed to outdoors for one year
... One-, two-, and three-year-old bamboo culms (Phyl- lostachys puberscence) obtained from the Bamboo Institute in Damyang County, South Korea were employed for natural weathering test. Bamboo culms were cut 100 9 ...
7
Formation of H2 and CH4by weathering of olivine at temperatures between 30 and 70°C
... secondary mineral precipitation, chelation or ...that weathering of the natural olivine releases colloids as well as ions in solu- tion, leading to flocculation instead of ...
10