It cannot properly handle canopies characterized by a strong inter-individual variability or species characterizedД«y a very strong plasticity (trees or herbaceous plants for example. If at the first order, this approach is sufficiently robust for relatively homogeneous crops, Limitations of these models result from the fact that plants are not modelled as individuals,Д«ut as a continuous medium. (water, temperature, Nitrogen вЂ¦) on crop growth.ДЄs such, they became interesting support for the management of agricultural systems. They only consider the functioning of the canopy and not of the individual plants and they give a very detailedДescription of plant-environment interactions, with a focus on the effects of environmental stresses These models share large conceptual similarities: they are generic, aiming to model a wide variety of crops, Several important families of models directly inherit from those concepts:Д¬ERES (Jones et al., 1983), WOFOST (Diepen et al., 1989), STICS (Brisson et al., 1998) or APSIM (Keating, 2003). With early models of the functioning of crop canopies. Seminal works date back to De Wit (De Wit et al., 1970) and Monteith (Monteith and Moss, 1978) in the seventies, Mechanistic modelling of plant growth is thus a relatively recent research field. Data and descriptions from specific ASRIS field sites can also be displayed, as can analytical data associated with sites that have samples which now reside in the CSIROвЂ™s National Soil Archive.The use of computational models in the frame of environmental topics is as its early stages. SoilMapp provides a lot of soil information supplied largely by state and territory agencies and from CSIRO research, including the Australian Soil Classification types most likely to occur at the location, descriptions of reference sites for each likely soil, and summary data on each soilвЂ™s key attributes (such as pH, organic carbon and clay content). This makes SoilMapp unique and innovative, and it also ensures that the data returned is always the latest and best available, a great benefit to researchers, land managers and developers on the ground. вЂUsers make a direct web connection to data services from ASRIS and ApSoil. вЂSoilMapp gives users access to the best available soil data, either for their current location by using the iPadвЂ™s GPS, or by the user identifying any place of interest in Australia,вЂ™ Peter says. Mr Peter Wilson from TERN Soils said the facility is developing new fine-resolution soil and terrain data sets which will be progressively released through the TERN soil data portalВ and ASRIS and become an important data source for the app. The TERN facility, Soil and Landscape Grid of AustraliaВ (вЂTERN SoilsвЂ™) works closely with ACLEP to improve the availability and accessibility of consistent national soil data and information for a wide range of users. It was developed by the Australian Collaborative Land Evaluation ProgramВ (ACLEP), in collaboration with CSIRO and the Grains Research and Development Corporation(GRDC). The app, called SoilMapp, runs on the iPad, and provides direct access to national soil data and information from the Australian Soil Resource Information SystemВ (ASRIS) and ApSoil, the database behind the Agricultural Production Systems SimulatorВ (APSIM). People can get data and information on the soil they are standing on, thanks to an app developed by several national research organisations.

Apsim video