Using NIR Spectroscopy for Soil Characterization
Measuring soil composition with a near-infrared diffuse reflectance system helps characterize soil quickly, economically and effectively. From farm to fork, Ocean Insight partners with food and agriculture experts to create solutions that improve yield, quality, safety and integrity. In this demo, we use the NIRQuest+2.5 NIR spectrometer as part of a diffuse reflectance system for soil analysis. Learn how this compact setup provides a convenient alternative to other soil measurement options, as we identify the moisture content of different organic and topsoil samples.
What is soil characterization?
Soil characterization is an integral part of the determination of contamination. Knowledge of the properties of soils is essential for making decisions with respect to crop production. Through precise measurement and proper management of moisture and nutrient requirements, farmers can maximize crop development.
NIR spectroscopy helps farmers have the information they need at their fingertips. Our system reveals the moisture content, organic content and the various properties of select soil samples - and you'll be able to take these measurements right on the farm. The spectral data gleaned from these measurements can then be turned into answers related to composition and quantification of the components present.
Benefits of our system
With the earth's growing population, climate change and poor soil management techniques, we have a real need for a simple, safe, effective, fast and economical method to characterize soil.
Anyone can characterize various soil components with NIR spectroscopy, including organic matter, soil texture, clay mineralogy, nutrient availability, soil structure, microbial activity and fertility. These measurements give you the data needed to ensure soil is nutritive and will yield healthy crops.
About Ocean Insight
Ocean Insight is an Applied Spectral Knowledge company that uses application expertise, spectral technology and manufacturing scalability to help customers overcome challenges for a healthier, cleaner and safer future. For over 25 years, we have leveraged the power of light using spectroscopy and imaging technologies.
Timestamps:
[0:07] NIR products as a means to look at soil characterization
[0:30] The need for a fast, low-cost technique to characterize soil
[0:16] Components we can illustrate with NIR spectroscopy
[1:44] Advantages of NIR spectroscopy
[2:41] Adding a modular spectroscopy approach means you can take measurements anywhere
[2:49] Introduction of tools used in the demonstration
[3:32] What you need for consistency throughout your measurements
[4:09] Setup materials and soil samples used
[5:11] Warm up your light source and spectrometer before starting your measurements
[5:34] Using the WS-1 Diffuse Reflection Standard
[6:42] What this repeatability looks like in our OceanView software
[7:00] Taking soil sample measurements
[8:19] Why you need to take multiple measurements to find the true moisture content for the sample
[10:09] Looking at samples with even less moisture before moving to the topsoil
[10:35] Sand sample has virtually no moisture compared to our organic material and topsoils
[11:32] Benefits and results of spectral data
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