Response Mechanism of Cotton Growth to Water and Nutrients under Drip Irrigation with Plastic Mulch in Southern Xinjiang

Table 2

Different irrigation treatments used in the experiment.

Treatment	Emergence	Budding	Flowering and boll development	Boll opening	Irrigation amount	Degree of deficit
T2	0	0.4 PET	PET	0	322.54	I
T3	0	0.6 PET	PET	0	298.21	II
T4	0	0.8 PET	PET	0	298.13	III
T5	0	PET	0.4 PET	0	338.28	I
T6	0	PET	0.6 PET	0	322.05	II
T7	0	PET	0.8 PET	0	321.99	III
T1	0	PET	PET	0	369.74	IV

Note: I: severe deficit; II: moderate deficit; III: mild deficit; IV: no deficit.