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Soil Sensing [PDF]

, 2021
In addition to the overview of diversity in soil sensing technologies, this chapter presents four case studies to illustrate the practical use of these technologies to enhance precision agriculture in Canada, the United Kingdom, Sweden and Papua New Guinea.
Adamchuk, Viacheslav I., Biswas, Asim, Huang, Hsin, Holland, Jonathan E., Taylor, James A., Stenberg, Bo, Wetterlind, Johanna, Singh, Kanika, Minasny, Budiman, Fidelis, Chris, Yinil, David, Sanderson, Todd, Snoeck, Didier, Field, Damien   +13 more
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Soils and Soil Solutions

1997
Soils are often extremely heterogeneous in their structure and chemical composition. A soil not only consists of solid matter of mineral or organic origin but also contains numerous pores, which altogether form a cavity system that is connected to the atmosphere.
del Castilho, P., Breder, R.
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SOIL EXTRACT IN SOIL MICROBIOLOGY

Canadian Journal of Microbiology, 1958
Soil extract contains unidentified growth factors not present in other materials. In this study the extract was considered critically in so far as various treatments affect numbers of bacteria developing on soil-extract agar. Dilution of the extract to 1/10th concentration produced lower counts in most soils.
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Soil data for crop-soil models

1993
Systems approaches for agricultural development can be realized at different levels of detail which are associated with different data needs. For soils five levels were defined, ranging from farmer’s knowledge and expert systems to use of complex simulation models.
Bouma, J., Wopereis, M.C.S., Wösten, J.H.M., Stein, A.   +3 more
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Soil genesis, soil classification and soil survey

Geoderma, 1970
Abstract Mutual relationships exist between soil genesis, soil classification and soil survey. The first two subjects are dealt with separately. Some of the general lines in soil genetic investigation are traced. Next trends in soil classification are dealt with.
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