soil

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soil

(soyl),
Dirt.

soil

the uppermost layer of the earth's crust that supports the majority of terrestrial plant life together with many animals and microorganisms. Soil derives from the erosion of the rock strata and contains minerals and variable amounts of organic material derived from organisms which live or have lived upon it. Soils are affected by climate, living organisms, parent rock, relief, groundwater and age, and usually contain various ‘horizons’, the succession of which is called the ‘soil profile’. MULL soils tend to be alkaline and ‘Mor’ soils acid. Soils may be heavy clay, loam (sand and clay), peaty (large amounts of dead plant material), chalky light or sandy

soil

the earth, origin of all plant growth and the basis of all animal agriculture. Its characteristics of chemical composition, physical structure, especially porosity and water retaining capacity, its humus content, pH and salinity exert enormous effects on its productivity.

soil analysis
an essential activity in densely farmed farms. Measures the soil content of total and available amounts of each of the important soil minerals.
soil contaminated herbage
either from dust storms or in loose soil by hoof movement may contribute to dental attrition in sheep, or sand colic in horses.
soil eating
a form of pica; caused by salt deficiency.
soil fumigants
are used to prepare fields for planting and may cause poisoning in animals grazing them or eating crops harvested from them. See methyl bromide.
soil type
includes clay, sand, loam.
References in periodicals archive ?
1 -- color) USDA Conservation Service soil conservationist Carolyn LoFreso tells Quartz Hill students a few things about the hole they'll climb into as part of a soil analysis competition Tuesday among several Antelope Valley high schools.
The SCS requires little training for use, cost is low on a per/excavation basis, and the instrument does not require calibration to laboratory soil analysis.
Soil analysis shows the Egyptians couldn't resist building the city on marshlands at the gateway to the Nile.
407-426, in Methods of soil analysis, part 2: microbiological and biochemical properties (R.
The probe, due for blast-off next January, will also contain a robotic arm, soil analysis instruments and equipment to examine beneath the planet's surface.
A probe will land on Mars equipped with cameras, a robotic arm, soil analysis instruments, and two penetrators to investigate beneath the planet's surface.
Sometimes, attempts to exploit the forensic benefit of soil analysis meet with limited success, due to improper evidence collection and documentation.
A virus released into a computer connected to a gas chromatograph at a soil analysis lab, for example, could lead to erroneous results in soil analysis and potentially to fields treated with inappropriate amounts of fertilizer.
Liaison will be an ideal solution for a wide range of bulk 13C analysis applications, including food authenticity and safety, plant biology, oceanography, soil analysis, green chemistry compliance and vector control in public health.
Tenders are invited for Outsourcing of Staff for Soil Health Centres for Soil Analysis under SHM
In a statement issued by media liaison unit of Punjab Agriculture department, experts said that soil analysis can unveil necessary information like salinity, crop access to Nitrogen, micronutrient including Potash, Zinc, Boron, presence of organic material, PH value of soil and availability of gypsum.

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