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
References in periodicals archive ?
The video tutorial on the website shows how each of the 9 features work: Fields, Dashboard, Issues & Crop Damages, Soil Analysis, Weather Forecasts, Imagery, Field Imagery, Help Desk.
Jeio Tech's Lab Companion Incubated Shaker model ISF-7100 is ideal for general applications, such as bacterial suspensions, wastewater and soil analysis, fermentation, mixing, diagnostic tests and plasmid purification.
The selections that make up the main body of the text are focused on yield monitors and guidance systems, GPS-based soil analysis, crop and soil sensors, Japanese community-based precision agriculture, applications for intelligent farming machinery and agricultural robots, and future of technology in agriculture.
Therefore, not only the extractor is taken into account in the calibration, but also the obtained yield and, based on the critical levels, it is possible to define a fertilizer dose to be applied according to the soil analysis. The soil analysis provides a measure of the phytoavailability, whether of the factor intensity (immediately available) or the factor quantity (available amount), and can be used as a guide for crop fertilization.
Dawson will oversee the use of hi-tech soil analysis techniques to examine areas of land around Moira's home town of Coatbridge in a bid to finally solve the mystery.
Before HA or fertilizer application soil samples were collected from 0-20 cm depth for pre-sowing analysis and after crop harvest for post- harvest soil analysis. Leaf samples (3rd leaf) at maturity were collected for nutrient concentrations and accumulation as influenced by HA and micronutrients application.
Soil analysis is presented next, covering characterization of organic matter and microbe populations, enzymatic and genetic properties, mineralization, and methane and greenhouse gas emissions.
But before doing that, the entry point is to know exactly the health condition of the soil and soil mapping is crucial, with soil analysis being the first step in the process," Dar explained.
Satellite images, eyewitness accounts and soil analysis suggest that sarin has been used in Syria.
The soil analysis conducted by the UK team has yet to be scrutinized by an independent body.

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