Table 2.

The regression results of different major crops of Pakistan evaluated by ordinary least square (OLS) and feasible generalized least square (FGLS).

Variables	Major Crops
	Wheat	Rice	Maize	Sugarcane
Max Temp	−1.7991 *	3.9200 *	0.1174	0.4743 *
Min Temp	0.6216 *	−0.7041 *	0.5458	0.2578 *
Rainfall	−0.1195 *	−0.0126	−0.703	−0.0094
R.Humidity	−0.1107	0.183	−1.3219 *	0.3135 *
Sunshine	0.2169	−0.2114	−0.8761	−0.1253
Trend	0.0135 *	0.01447 *	0.0391 *	0.009 *
constant	4.5121 *	−11.0511 *	8.4222	0.8063
F	18.68 *	18.26 *	25.19 *	10.69 *
Wald chi2	96.53 *	87.75 *	101.09 *	60.69 *
R2	0.2993	0.3302	0.3932	0.2501
n	226	178	156	182

* represents level of statistical significance.