Normalized Difference Vegetation Index as a Tool for Wheat Yield Estimation: A Case Study from Faisalabad, Pakistan

Table 3

Effect of nitrogen levels and cultivars on peak LAI at booting stage.

Treatments	LAI
	2008-09	2009-10
Nitrogen levels
0 kg ha^−1	3.91^d	3.82^d
55 kg ha^−1	4.45^c	4.31^c
110 kg ha^−1	4.94^b	4.79^b
220 kg ha^−1	5.38^a	5.18^a
LSD (0.05)	0.32	0.25
Cultivars
Faisalabad-2008	4.97^a	4.79^a
Lasani-2008	4.82^ab	4.64^ab
Miraj-2008	4.69^b	4.56^ab
Sahar-2006	4.65^bc	4.61^ab
Shafaq-2006	4.68^b	4.61^ab
GA-2002	4.39^c	4.29^cd
Bakkhar-2001	4.60^bc	4.48^bc
Inqlab-1991	4.73^ab	4.65^ab
Chakwal-1950	4.58^bc	4.14^d
Chakwal-1997	4.62^bc	4.50^bc
LSD (0.05)	0.25	0.25

Means sharing different letters differ significantly at 𝑃≤0.05.