Soil pH definition

Soil pH means the pH of the soil in the plow layer as measured in water by a pH meter with a glass electrode or by using another department approved procedure.
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Soil pH means the analytical result, expressed in standard units, of the PBUS’s soil pH.
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Soil pH means the negative log of the hydrogen ion concentration, which commonly ranges
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Examples of Soil pH in a sentence

  • Soil pH plays an important role in the availability of nutrients.

  • Soil pH should be maintained in the proper range.Nutrient utilization and plant growth are optimized when soil pH is between 4.0 and5.5. Additions of sulfur may be needed to keep soil pH sufficiently low.

  • Soil pH must be monitored to ensure compliance with Table II of Part I of the permit.

  • Soil pH was determined in water at a soil: water ratio of 1:2.5 (Blakemore et al., 1977).

  • Hops prefer slightly acidic soils ~6.5. Soil pH can be adjusted to optimize plant growth and yield.

  • Soil pH was analyzed in a 1:2 H2O mixture that was shaken for 30 min at moderate speed on a horizontal shaker then let stand for 20 min before reading on a Eutech Cyberscan 1100 pH meter.

  • Soil pH and exchangeable bases were measured at Crop Nutrition Laboratory Services in Nairobi, Kenya.

  • Soil pH was measured in water (pHH2 O) with a 1:5 soil:solution mass ratio, according to the norm NF- ISO-10390:2005 (International Organization for Standardization, 2005).

  • The solubility of several zinc minerals decreases in the following order: Zn(OH) > α-Zn(OH)2 > β-Zn(OH)2 > γ-Zn(OH)2 > ε-Zn(OH)2 > ZnCO3 > ZnO > Zn(PO4)2.4H2O >soil Zn > ZnFe2O4 .Soil pH governs the speciation of zinc in solution.

  • Soil pH in the A1 horizon varies in the range 6 to 7 (Mund, personal communication), depending on the depth of the loess cover.

Related to Soil pH

  • Soil means all unconsolidated mineral and organic material of any origin.

  • oil tanker means a ship constructed or adapted primarily to carry oil in bulk in its cargo spaces and includes combination carriers and any “chemical tanker” as defined in Annex II of the present Convention when it is carrying a cargo or part cargo of oil in bulk.

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Subsurface tracer study means the release of a substance tagged with radioactive material for the purpose of tracing the movement or position of the tagged substance in the well-bore or adjacent formation.

  • Soil texture means proportion by weight of sand, silt, and clay in a soil.

  • Aquifer means a geologic formation, group of formations, or part of a formation capable of yielding a significant amount of groundwater to wells or springs.

  • Stormwater runoff means water flow on the surface of the ground or in storm sewers, resulting from precipitation.

  • Natural uranium means uranium with the naturally occurring distribution of uranium isotopes, which is approximately 0.711 weight percent uranium-235, and the remainder by weight essentially uranium-238.

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Uppermost aquifer means the geologic formation nearest the natural ground surface that is an aquifer, as well as lower aquifers that are hydraulically interconnected with this aquifer within the facility's property boundary.

  • Natural environment means the air, land and water, or any combination or part thereof, of the Province of Ontario; (“environnement naturel”)

  • Navigable waters ’ means the waters of the United States, including the territorial sea;

  • Underground source of drinking water means an aquifer or its portion:

  • Water Surface Elevation (WSE means the height, in relation to NAVD 1988, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Seepage pit means an excavation deeper than it is wide that receives septic tank effluent and from which the effluent seeps from a structural internal void into the surrounding soil through the bottom and openings in the side of the pit.

  • Oil well means any well capable of producing oil or oil and casinghead gas from a common source of supply as determined by the commission.

  • Sediment means solid material, mineral or organic, that is in suspension, is being transported, or has been moved from its site of origin by air, water or gravity as a product of erosion.

  • Sewage sludge means a solid, semi-solid, or liquid residue generated during the treatment of domestic sewage in a treatment works as defined in section 6111.01 of the Revised Code. "Sewage sludge" includes, but is not limited to, scum or solids removed in primary, secondary, or advanced wastewater treatment processes. "Sewage sludge" does not include ash generated during the firing of sewage sludge in a sewage sludge incinerator, grit and screenings generated during preliminary treatment of domestic sewage in a treatment works, animal manure, residue generated during treatment of animal manure, or domestic septage.

  • Environmental Infrastructure System means the Environmental Infrastructure Facilities of the Borrower, including the Project, for which the Borrower is receiving the Loan.

  • Water well means an excavation that is drilled, cored, bored, augered, washed, driven, dug, jetted, or otherwise constructed for the purpose of exploring for groundwater, monitoring groundwater, utilizing the geothermal properties of the ground, or extracting water from or injecting water into the aquifer. “Water well” does not include an open ditch or drain tiles or an excavation made for obtaining or prospecting for oil, natural gas, minerals, or products mined or quarried.

  • Contaminated soil means soil that meets all of the following criteria:

  • Stormwater management planning area means the geographic area for which a stormwater management planning agency is authorized to prepare stormwater management plans, or a specific portion of that area identified in a stormwater management plan prepared by that agency.

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • Reservoir means a water impoundment project operated by the United States Army Corps of Engineers that is intended to retain water or delay the runoff of water in a designated surface area of land.

  • Operating Environment means, collectively, the platform, environment and conditions on, in or under which the Software is intended to be installed and operate, as set forth in the Statement of Work, including such structural, functional and other features, conditions and components as hardware, operating software and system architecture and configuration.