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net.simplace.sim.components.experimental.intercropping.RadiationInterception

Calculates each crops radiation interceptions for two crops

Calculation

Calculates radiation interception of two crops planted in strips, possibly with space between the strips.

See (1) for calculation details.

References

(1) Gou, F.; van Ittersum, M. K; Simon, E.; Leffelaar, P. A.; van der Putten, P.E.L.; Zhang, L. ; van der Werf,W. 2017 Intercropping wheat and maize increases total radiation interception and wheat RUE but lowers maize RUE. European Journal of Agronomy, 125-139.

Component Variables

Content Type	Name	Description	Data Type	Unit	Min Value	Max Value	Default Value
constant	cSpace1	space between plant 1 and plant 2	DOUBLE	m	0.0	-	0.0
constant	cSpace2	space between plant 2 and plant 1	DOUBLE	m	0.0	-	0.0
constant	cWidth1	Width of strip of plant 1	DOUBLE	m	0.0	-	0.0
constant	cWidth2	Width of strip of plant 2	DOUBLE	m	0.0	-	0.0
constant	ck1	Light extinction coefficient of plant 1	DOUBLE	1	0.0	1.0	0.6
constant	ck2	Light extinction coefficient of plant 2	DOUBLE	1	0.0	1.0	0.6
input	iDoHarvest1	True on day when plant 1 is harvested	BOOLEAN		-	-	false
input	iDoHarvest2	True on day when plant 2 is harvested	BOOLEAN		-	-	false
input	iDoSow1	True on day when plant 1 is sown	BOOLEAN		-	-	false
input	iDoSow2	True on day when plant 2 is sown	BOOLEAN		-	-	false
input	iHeight1	Height of plant 1	DOUBLE	m	0.0	-	0.0
input	iHeight2	Height of plant 2	DOUBLE	m	0.0	-	0.0
input	iLAI1	Leaf area index of plant 1	DOUBLE	m2/m2	0.0	-	0.0
input	iLAI2	Leaf area index of plant 2	DOUBLE	m2/m2	0.0	-	0.0
input	iRadiation	Radiation to be intercepted by both plants	DOUBLE	J/(m2 d)	0.0	-	0.0
out	InterceptionFraction1	Radiation interception factor of plant 1	DOUBLE	1	0.0	1.0	0.0
out	InterceptionFraction2	Radiation interception factor of plant 2	DOUBLE	1	0.0	1.0	0.0
out	Radiation1	Radiation to be intercepted by plant 1	DOUBLE	J/(m2 d)	0.0	-	0.0
out	Radiation2	Radiation to be intercepted by plant 2	DOUBLE	J/(m2 d)	0.0	-	0.0
out	WithCrop1	True while plant 1 is present	BOOLEAN		-	-	false
out	WithCrop2	True while plant 2 is present	BOOLEAN		-	-	false

See also: IntercroppingFunctions

public class RadiationInterception extends net.simplace.sim.model.FWSimComponent {
// Public Constructors
public RadiationInterception();
// Protected Constructors
protected RadiationInterception(String aName, HashMap aFieldMap, HashMap
aInputMap, Element aSimComponentElement, FWSimVarMap aVarMap, int
aOrderNumber);

// Public Instance Methods

public HashMap createVariables(); // Defines
net.simplace.sim.model.FWSimComponent

// Protected Instance Methods

protected void init(); // Defines net.simplace.sim.model.FWSimComponent

protected void initVariables();

protected void process(); // Defines net.simplace.sim.model.FWSimComponent

protected FWSimComponent clone(FWSimVarMap aVarMap);
// Defines net.simplace.sim.model.FWSimComponent

}

Hierarchy: java.lang.Object - net.simplace.sim.model.FWSimComponent (net.simplace.sim.util.FWSimFieldContainer) - RadiationInterception