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A simple pH meter Soil pH meter. In general there are three major categories of pH meters. Benchtop pH meters are often used in laboratories and are used to measure samples which are brought to the pH meter for analysis. Portable, or field pH meters, are handheld pH meters that are used to take the pH of a sample in a field or production site. [19]
Then, using the initial soil pH and the aluminium content, the amount of lime needed to raise the pH to a desired level can be calculated. [68] Amendments other than agricultural lime that can be used to increase the pH of soil include wood ash, industrial calcium oxide , magnesium oxide, basic slag (calcium silicate), and oyster shells.
Soil acidification is the buildup of hydrogen cations, which reduces the soil pH. Chemically, this happens when a proton donor gets added to the soil. The donor can be an acid, such as nitric acid, sulfuric acid, or carbonic acid. It can also be a compound such as aluminium sulfate, which reacts in the soil to release protons.
In agriculture, a soil test commonly refers to the analysis of a soil sample to determine nutrient content, composition, and other characteristics such as the acidity or pH level. A soil test can determine fertility , or the expected growth potential of the soil which indicates nutrient deficiencies, potential toxicities from excessive ...
Engine service indicator; Seat belt indicator; See also. List of auto parts This page was last edited on 15 October 2024, at 14:15 (UTC). Text is available under ...
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A neutron probe is a device used to measure the quantity of water present in soil. A typical neutron probe contains a pellet of americium-241 and beryllium . The alpha particles emitted by the decay of the americium collide with the light beryllium nuclei, producing fast neutrons .
In the used car market in the United States and Canada, buy here, pay here, often abbreviated as BHPH, refers to a method of running an automobile dealership in which dealers themselves extend credit to purchasers of automobiles. [1] Typically, purchasers of cars at BHPH dealerships have poor credit history, and loans have high interest rates. [1]
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