Choose the measurement that fits your field, understand the readings and plan irrigation around the active roots.
Understand measurement methods, calibration and accuracy before selecting equipment.
Connect moisture and water tension to the active roots and your crop system.
Interpret soil chemistry, profile layers and the properties behind sensor readings.
Plan communications, power, total cost and the workflow that keeps readings useful.
Explore observation networks, satellite products and the science behind soil measurements.
Identify your soil → Choose sensing depths → Plan the complete system → Install → Read the response.
Understand measurement methods, calibration and accuracy before selecting equipment.
Choose a sensorStart with the measurement your crop management needs. Then compare the sensing method, installation and complete route from the root zone to your irrigation decisions.
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Choose a sensorFactory calibration provides a starting relationship between a sensor signal and water content. A soil-specific check shows whether that relationship is adequate for the decisions you need to make.
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Choose a sensorA specification is useful when its units and test conditions match the decision you need to make. Learn how to compare accuracy claims and recognise the difference between measurement error and real field variation.
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Choose a sensorTime domain reflectometry relates the travel of an electromagnetic signal along a probe to the soil's dielectric response. Understanding the measurement path helps explain both the strengths of TDR and the conditions that can complicate its readings.
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Choose a sensorFrequency domain methods infer water content from an electrical response related to the soil's dielectric properties. The term covers several circuit arrangements, so the model's measurement and calibration matter more than the abbreviation alone.
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Choose a sensorA capacitance sensor detects an electrical change around its electrodes and converts that response into a moisture estimate. The surrounding soil, contact and circuit design determine how reliable that estimate is.
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Choose a sensorCompare point probes with prongs and pipe-style profile sensors. Understand depth coverage, installation diameter and what actually determines EC performance.
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Choose a sensorUnderstand TDT travel time measurements, how transmission differs from TDR reflection, and what to check before using a TDT sensor for irrigation.
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Choose a sensorLearn how gypsum blocks track soil water tension, what electrical resistance means, and how wet conditions, salts and maintenance affect their use.
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Choose a sensorExplore how coaxial impedance sensors estimate soil water, temperature and EC, and why the model specification matters more than the method label.
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Choose a sensorUnderstand hydrogen based neutron moisture measurements, access tubes, field calibration and why the method differs from connected electronic probes.
Read the guide →Connect moisture and water tension to the active roots and your crop system.
Manage irrigationA soil moisture reading becomes useful when it is connected to a crop, a rooting depth and a management threshold. Learn how to interpret the profile before deciding when and how much to irrigate.
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Manage irrigationThe water remaining in a soil is held with different degrees of force as the soil dries. Matric potential describes that relationship and helps connect a sensor reading to the conditions around active roots.
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Manage irrigationThe most useful monitoring network starts with a field decision. Match the locations, sensing depths and data delivery to the crop and irrigation system rather than installing every sensor in the same way.
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Manage irrigationInterpret wetting, drying and depth responses in soil moisture graphs. Separate field behaviour from contact, calibration and data-delivery problems.
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Manage irrigationTurn soil moisture into a useful root-zone water budget. Understand field capacity, available water, depletion and practical sensor thresholds.
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Manage irrigationCompare water storage and wetting in sandy and clay soils, and use depth readings to adjust irrigation without relying on texture stereotypes.
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Manage irrigationPlan vineyard sensor locations, interpret drip irrigation at several depths, and use moisture trends alongside vine condition and local agronomic advice.
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Manage irrigationUse representative depths and irrigation-zone placement to monitor orchard water, investigate wet or dry patterns, and keep chemistry and drainage in view.
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Manage irrigationChoose greenhouse moisture measurements for soil beds or growing substrates, with attention to calibration, EC, wetting patterns and short irrigation cycles.
Read the guide →Interpret soil chemistry, profile layers and the properties behind sensor readings.
Understand your soilElectrical conductivity helps describe the soil's electrical behaviour and can support salinity monitoring. To interpret a reading, first establish what was measured and how water content affects it.
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Understand your soilThe balance of sand, silt and clay helps explain why different parts of a farm respond differently to irrigation. Texture is a useful starting point for monitoring, but structure and rooting conditions also matter.
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Understand your soilSoil pH describes an important part of the chemical environment around roots. A useful result includes the sampling depth and preparation method, because different tests or locations can produce different values.
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Understand your soilA sensor reading describes one part of a changing soil system. Texture, pore arrangement, chemistry and the profile determine what that reading means for water movement, roots and irrigation.
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Understand your soilThe layers beneath a field can have very different water and rooting conditions. Describing those layers before installation helps place sensors where their readings answer useful management questions.
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Understand your soilDielectric permittivity connects many electronic soil sensors to water content. The soil's response includes energy storage and electrical losses, which explains why calibration and operating conditions still matter.
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Understand your soilIdentify soil texture by feel and interpret laboratory percentages with the USDA triangle. Separate surface observations from deeper rooted layers.
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Understand your soilPlan representative samples for texture, pH, EC, nutrients and calibration. Keep methods and depths clear when combining laboratory results with sensor data.
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Understand your soilUnderstand soil as a mixture of minerals, organic matter, water, air and organisms, then connect those properties to useful field measurements.
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Understand your soilLearn the 12 USDA soil orders, how taxonomy differs from texture, and when a mapped soil classification helps with field monitoring.
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Understand your soilSee how parent material, slope, drainage and soil development create field variation, and use that understanding to place soil sensors.
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Understand your soilDistinguish salt stress from sodium related soil problems, interpret EC methods, and plan useful sampling alongside continuous monitoring.
Read the guide →Plan communications, power, total cost and the workflow that keeps readings useful.
Connect and maintainCompare wired soil probes, RTUs, gateways and integrated sensors. See where Pycno Terra simplifies power, logging and cellular uploads.
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Connect and maintainPlan sensor locations, depths and soil contact around active roots and irrigation. Protect cables and verify the response after installation.
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Connect and maintainCompare farm sensor data routes through cellular, LoRa, LoRaWAN, Wi-Fi and satellite. Plan coverage, gateways, power and recurring services.
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Connect and maintainBudget probes, loggers, gateways, power, installation and data services together. Compare wired systems and integrated Pycno Terra installations fairly.
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Connect and maintainInvestigate unexpected soil readings, flat graphs and missing uploads. Separate installation, calibration, power and communications faults.
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Connect and maintainUnderstand the practical reasons farms use connected sensors, from remote observations to irrigation review, and the costs and skills that influence adoption.
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Connect and maintainPlan timestamps, units, alerts and data access before choosing a soil monitoring system, and distinguish remote monitoring from automatic irrigation control.
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Connect and maintainPlan battery, solar, cable protection and maintenance for a soil monitoring station, with practical checks for seasonal reliability and network outages.
Read the guide →Explore observation networks, satellite products and the science behind soil measurements.
Research and remote sensingLearn what NASA SMAP measures, why satellite soil moisture differs from a root-zone probe, and how both can support drought and irrigation assessment.
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Research and remote sensingExplore the NOAA Hydrometeorology Testbed network design and the lessons for representative sites, depth coverage and reliable soil moisture records.
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Research and remote sensingRead the lessons from the 2013 McMaster Mesonet study on moisture variation across sites, depths and time, and apply them to field monitoring.
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Research and remote sensingUnderstand how water near soil surfaces affects dielectric measurements and why moisture, texture, frequency and water tension cannot be reduced to one rule.
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Research and remote sensingExplore how fire and organic soil layers influence permafrost temperature, with lessons from modelling lowland and upland black spruce forests in Alaska.
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Research and remote sensingRead the Harrie Wood Cave study of climate and drip-water chemistry, and understand why recharge pathways complicate environmental monitoring.
Read the guide →Explore individual sensor reviews or compare the complete field system.