Soil Organic Matter and Temperature Modules Quiz5

What is the main purpose of the CENTURY-based module in the DSSAT?

• To calculate crop yield

• To analyze weather patterns

• To simulate soil organic sequestration potential

• To measure soil pH levels

Which type of soil organic matter (SOM) is described as almost inert?

• SOM1

• SOM3

• SOM2

• SOM4

What does the soil temperature model in DSSAT primarily depend on?

• Air temperature and deep soil temperature

• Solar radiation only

• Soil moisture content

• Plant transpiration rates

Which method is the default for calculating potential evapotranspiration (ET) in the soil-plant-atmosphere module?

• Thornthwaite method

• Priestley and Taylor method

• Hargreaves method

• Penman-Monteith method

What is the role of the residue layer in the CENTURY-based module?

• To store nutrients and organic matter

• To improve water retention

• To provide a barrier against erosion

• To enhance soil temperature