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	Modelli di crescita delle colture (DSSAT/APSIM)	Equazione di Penman-Monteith	Misurazione della respirazione del suolo
Campo	Agronomia	Agronomia	Agronomia
Famiglia	Process / pipeline	Process / pipeline	Process / pipeline
Anno di origine	1993-2003	1948-1965	Mid-20th century (chamber methods formalised ~1950s–1970s; automated systems ~1990s)
Ideatore	James W. Jones, Gerbrand T. Hoogenboom (DSSAT); Brian A. Keating, Peter S. Carberry (APSIM)	Howard Latimer Penman, John Monteith	Multiple contributors
Tipo	Mechanistic crop simulation pipeline	Mechanistic evapotranspiration model	Field measurement technique
Fonte seminale	Jones, J. W., Hoogenboom, G., Porter, C. H., et al. (2003). The DSSAT cropping system model. European Journal of Agronomy, 18(3-4), 235-265.	Penman, H. L. (1948). Natural evaporation from open water, bare soil and grass. Proceedings of the Royal Society A, 193(1032), 120-145.	Hanson, P. J., Edwards, N. T., Garten, C. T., & Andrews, J. A. (2000). Separating root and soil microbial contributions to soil respiration: A review of methods and observations. Biogeochemistry, 48(1), 115–146.
Alias	DSSAT, APSIM, Crop Simulation Model	PM Equation, FAO-56 PM, Evapotranspiration Model	soil CO2 efflux measurement, soil carbon flux measurement, belowground respiration measurement, soil surface CO2 flux measurement
Correlati	3	3	1
Sintesi	Crop growth models are mechanistic simulation systems designed to predict crop development, biomass accumulation, and yield under varying environmental and management conditions. DSSAT (Decision Support System for Agrotechnology Transfer) and APSIM (Agricultural Production Systems Simulator) are the most widely used platforms, developed in the 1990s-2000s to support agronomic decision-making and climate adaptation research.	The Penman-Monteith equation is a mechanistic model for estimating evapotranspiration (ET), the combined loss of water from soil and plant canopies to the atmosphere. First proposed by Penman (1948) for bare soil and water surfaces, then extended by Monteith (1965) to incorporate plant resistance to water vapor diffusion, it has become the international standard for water balance studies, crop water requirement calculation, and hydrological modeling.	Soil respiration measurement quantifies the rate at which CO2 is released from the soil surface to the atmosphere, integrating contributions from root respiration and microbial decomposition of organic matter. It is a fundamental technique in agronomy, ecology, and climate science, providing insight into belowground carbon cycling, soil biological activity, and ecosystem carbon balance. Measurements are typically made using static or dynamic chambers placed on the soil surface.