Table 3 Thermal use efficiency of Kinnow plant in biennial bearing pattern.

	Fruiting habit plants	Thermal use efficiency
		Sargodha		T.T Singh		Vehari
		On-year (2017)	Off-year (2018)	On-year (2017)	Off-year (2018)	On-year (2017)	Off-year (2018)
Heat use efficiency (kg °C day⁻¹)	Heavy fruiting	8.508	7.723	11.098	9.677	6.542	4.893
	Medium fruiting	5.221	4.878	6.976	6.150	3.934	3.555
	Light fruiting	2.471	2.347	2.654	2.333	1.928	1.862
Heliothermal use efficiency (kg °C day⁻¹ h⁻¹)	Heavy fruiting	0.004	0.004	0.006	0.005	0.003	0.002
	Medium fruiting	0.002	0.002	0.004	0.003	0.002	0.002
	Light fruiting	0.001	0.001	0.001	0.001	0.001	0.001
Photothermal use efficiency (kg °C day⁻¹ h⁻¹)	Heavy fruiting	0.003	0.003	0.004	0.004	0.002	0.002
	Medium fruiting	0.002	0.002	0.003	0.002	0.001	0.001
	Light fruiting	0.001	0.001	0.001	0.001	0.001	0.001
Hydrothermal use efficiency (kg °C day⁻¹%)	Heavy fruiting	0.136	0.122	0.179	0.157	0.126	0.106
	Medium fruiting	0.084	0.077	0.112	0.100	0.076	0.077
	Light fruiting	0.040	0.037	0.043	0.038	0.037	0.041
Photo Heat use efficiency (kg °C day⁻¹)	Heavy fruiting	6.915	6.297	9.013	7.884	5.467	4.164
	Medium fruiting	4.243	3.978	5.665	5.010	3.288	3.025
	Light fruiting	2.008	1.914	2.155	1.900	1.611	1.584
Nycto Heat use efficiency (kg °C day⁻¹)	Heavy fruiting	10.719	9.747	14.168	12.272	8.109	5.902
	Medium fruiting	6.577	6.157	8.905	7.799	4.876	4.287
	Light fruiting	3.113	2.962	3.388	2.958	2.390	2.245

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