Soil Dynamic Quality Index (S-DQI) based on fuzzy logic specifically designed for the agricultural functionality of soil, described by the group of three indexes (S-DQIPHYS, S-DQICHEM, S-DQIBIOL).
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Indexes S-DQIPHYS, S-DQICHEM, S-DQIBIOL include physical, chemical and biological indicators, respectively, which quantify the corresponding attributes of soil.
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Indicator values can be expressed by both crisp and fuzzy numbers, which allow more realistic estimations of soil properties.
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Design of the indexes made from the joint estimations of a panel of experts, their values being obtained as a result of a fuzzy inference procedure – crisp values ranging from 0 to 1.
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Verification tests show satisfactory index response capability to changes in the soil properties.
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