Relationship of Maize Yield to Climatic and Environmental Factors under Deficit Irrigation: A Quantitative Review

Table 1

Variation of grain yield and irrigation water use efficiency across maize growth stages.

Growth stages	GYV	IWUEV
Vegetative	5.5^a	8.9^ab
Reproductive	27.0^b	4.5^a
Vegetative and reproductive	21.4^ab	22.5^b
Significance	<2e-16^∗∗∗	∗∗

^∗∗∗p<0.001 and ^∗∗p<0.01.