Agriculture & Soil Science

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Agricultural soil science examines soil as a manageable natural resource affecting the development of plants responsible for food and fiber. Soil traits and related agricultural activities may influence, or be influenced by, greenhouse gas concentrations. With soil’s integral role in cycles such as nitrogen (N) and carbon (C), this science often seeks to measure soil flux—the exchange of gases between soil and the atmosphere—of methane (CH₄), carbon dioxide (CO₂), and nitrous oxide (N₂O). Monitoring methods include chamber techniques, micrometeorological approaches, satellite observations, and airborne surveys.

Explore the Carbon Isotope Analysis Resource Center.

Analyzers

Product Sort descending	Model	Measurements
G2131-i Isotope and Gas Concentration Analyzer The Picarro G2131-i isotope and gas concentration analyer precisely, simultaneously, and continuously measures δ¹³C in carbon dioxide (CO₂) and CO₂ and CH₄ gas concentration for a range of applications from atmospheric and ocean science research to food and beverage origin and authenticity.	G2131-i	δ¹³C Carbon Dioxide (CO₂) Isotopic Carbon Dioxide (iCO₂)
G2201-i Isotopic Analyzer The Picarro G2201-i isotope analyzer precisely and continuously measures δ¹³C in carbon dioxide (CO₂) and in methane (CH₄) to help understand the biological and geological mechanisms that produce and consume CO₂.	G2201-i	δ¹³C Carbon Dioxide (CO₂) Methane (CH₄) Isotopic Carbon Dioxide (iCO₂) Isotopic Methane (iCH₄)
G2311-f EC Flux Gas Concentration Analyzer The Picarro G2301-f flux gas concentration analyzer provides simultaneous, precise measurement of carbon dioxide (CO₂), methane (CH₄), and water (H₂O) vapor at 10 Hz for eddy covariance, gradient, and eddy accumulation methodologies.	G2311-f	Carbon Dioxide (CO₂) Methane (CH₄)
G2508 Gas Concentration Analyzer The Picarro G2508 gas concentration analyzer provides simultaneous, precise measurement of nitrous oxide (N₂O), methane (CH₄), carbon dioxide (CO₂), ammonia (NH₃) at parts-per-billion (ppb), and water (H₂O) vapor at parts-per-million (ppm) sensitivity with negligible drift for agriculture soil science, ecology, and emissions quantification.	G2508	Carbon Dioxide (CO₂) Methane (CH₄) Nitrous Oxide (N₂O) Water (H₂O) Ammonia (NH₃)
G2509 Gas Concentration Analyzer The Picarro G2509 gas concentration analyzer is designed for use in livestock farming, manure processing, and fertilizer studies. It provides real-time, at-scale measurements of nitrous oxide (N₂O), methane (CH₄), carbon dioxide (CO₂), ammonia (NH3) at parts-per-billion (ppb), and water (H₂O) vapor at parts-per-million (ppm) sensitivity, with negligible drift.	G2509	Carbon Dioxide (CO₂) Methane (CH₄) Nitrous Oxide (N₂O) Ammonia (NH₃) Water (H₂O)
SI2103 Gas Concentration Analyzer The Picarro SI2103 gas concentration analyzer delivers ultra-precise and stable measurements of ammonia (NH₃) with a parts-per-trillion (ppt) lower limit of detection (LOD) and negligible drift. It is the ideal solution for urban and atmospheric air quality monitoring, studies of particulate matter formation, livestock emission quantification, vehicle emission quantification, indoor air quality and other applications.	SI2103	Ammonia (NH₃)

Peripherals

Product Sort descending	Model	Measurements
16-Port Distribution Manifold The Picarro 16-Port Distribution Manifold provides unparalleled multiport sample-data collection.	A0311	Carbon Monoxide (CO) Carbon Dioxide (CO₂) Methane (CH₄) Ethane (C₂H₆) Nitrous Oxide (N₂O)
Closed System Measurements Whether you are looking at gas evolution from soils or vegetation, or the incorporation of stable labels into living organisms, our rugged, high-precision analyzers offer unparalleled performance. Picarro’s small cavity design technology has long been the optimal choice for sample-limited studies. Now we have developed a series of turn-key systems especially designed to avoid external contamination.	A0701, A0702	Carbon Dioxide (CO₂) Methane (CH₄) Ethane (C₂H₆) Nitrous Oxide (N₂O) Water (H₂O)
Combustion Module The Combustion Module, designed for Picarro by Costech (a leader in combustion systems), combusts solid samples as small as 250mg C to release CO₂ gas. The Combustion Module is connected to a Picarro isotopic analyzer via the Picarro Caddy (A2100) or the Picarro Liaison™ Universal Interface (A0301) for high-precision carbon isotope (13C) measurements from carbon dioxide.	A0201	Isotopic Carbon Dioxide (iCO₂)
Low-Leak Diaphragm Pump The Low-Leak Diaphragm Pump is an essential part of a closed-loop measurement system.	A0702	Carbon Dioxide (CO₂) Methane (CH₄) Ethane (C₂H₆) Nitrous Oxide (N₂O) Water (H₂O)
Small Sample Introduction Module 2 High-precision δ¹³C measurements of small volume CO₂ and CH₄ gas samples.	A0314	Carbon Dioxide (CO₂) Methane (CH₄) Nitrous Oxide (N₂O) Water (H₂O) Isotopic Carbon Dioxide (iCO₂)