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- # Scope of the APSIM-Wheat module {#scope}
- The APSIM-Wheat module simulates the wheat growth and development of a
- wheat crop in a daily time-step on an area basis (per square meter, not
- per single plant). In this module, the wheat crop Wheat growth and
- development responds to weather (radiation, temperature), soil water and
- soil nitrogen, and management practices. The wheat module returns
- information on its soil water and nitrogen uptake to the soil water and
- nitrogen modules on a daily basis for reset of these systems.
- Information on crop cover is also provided to the water balance module
- for calculation of evaporation rates and runoff. Wheat stover and root
- residues are 'passed' from wheat to the surface residue and soil
- nitrogen modules, respectively at the harvest of the wheat crop.
- The approaches used in modeling crop processes balance the need for a
- comprehensive description of the observed variation in crop performance
- over diverse production environments and the need to avoid reductionist
- approaches of ever-greater complexity with large numbers of parameters
- that are difficult to measure.
- A list of the module outputs is provided in the **Wheat module output**
- s section below. Basically the module simulates phenological
- development, leaf area growth expansion, biomass and N concentration of
- different crop components (**Leaf**, **Stem**, **Root** and **Grain**)
- on a daily basis. It also predicts grain size and grain number.
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