Optimal Utilization of Light Energy in Semiclosed Greenhouse Using Three-Dimensional Cucumber Model

Table 2

Equations and parameters of organ expansion in Nov-Dec.

Equation	Dependent variables (y)	Independent variables (x)	Parameter value				R^2
			a	b	k
	LL	GDD	29.43	4.21	0.030		0.986
	LW	GDD	33.49	5.40	0.035		0.977
	PD	GDD	7.65	2.28	0.022		0.981
	ID	GDD	7.69	1.98	0.094		0.898
			A1	A2	X0	dx
	PL	GDD	−7.92	28.52	51.72	41.88	0.982
	IL	GDD	1.04	11.33	26.97	12.20	0.802
	LDW	GDD	−0.003	1.38	67.73	22.98	0.964
	PDW	GDD	−0.01	0.44	92.92	26.00	0.984