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Digit Soil - Soil Enzymatic Activity Measurements System
Digit Soil AG offers a comprehensive soil enzymatic activity measurement system designed for minimal disturbance and high accuracy. This system integrates the activities of five hydrolytic enzymes: β-glucosidase, β-N-acetylglucosaminidase, phosphomonoesterase, β-xylosidase, and leucine aminopeptidase. Each of these enzymes plays a critical role in nutrient cycling, organic matter decomposition, and pollutant breakdown in soil. The contact-based proprietary technology ensures close-to-field conditions and reduces handling errors. Alongside this, the system is designed for easy operation and fast results, making it suitable for both laboratory and field conditions. The services offered include renting portable readers for onsite measurements and sending soil samples for lab analysis. Currently available in Europe, the system also supports collaboration projects for specialized research needs. The internal standards in each measurement are tailored to account for specific soil properties, providing higher data reliability and accuracy.
Hydrolytic extracellular soil enzymes are involved in key soil processes such as nutrient cycling, organic matter decomposition, as well as decomposition of soil pollutants. They are also very sensitive to soil anthropogenic management, which makes them a good candidate for modeling ecosystem responses to human activities.
β-Glucosidase
β-glucosidase (cellobiase, EC 3.2.1.21) is the most common glycosidase, important and widely used soil quality indicator. It is involved in the decomposition of cellulose and related polysaccharides.
β-Xylosidase
β-Xylosidase (EC 3.2.1.37) involved in hydrolysis of hemicellulose (beta-D-xylans and xylobiose).
β-N-Acetylglucosaminidase
β-N-Acetylglucosaminidase (E.C. 3.2.1.52; exochitinase) specifically hydrolyzes N-acetyl-glucosides e.g. release of glucosamine from the chitin.
Leucine aminopeptidase
Leucine aminopeptidase (E.C. 3.4.11.1) catalyses the cleavage of amino acids of the amino terminus from protein or peptide substrates.
Phosphomonoesterase
Phosphatase (E.C. 3.1.3.2) catalyses the hydrolysis of ester-phosphate bonds, which leads to the release of phosphate.
Close-to-field Conditions:
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Minimal soil disturbance and no extraction steps.
Error Reduction:
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Reduced handling errors for higher data accuracy and reliability.
Adaptability
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Included internal standards in each measurement to account for specific soil properties