Table 1 Means for saffron (dried stigmas and styles), corm, wheat grain and wheat straw yields (SY, CY, WGY and WSY, respectively.

Irrigation regime

 40% ET_c

3.088^a*

8.466^a

2.153^c

8.013^a

 60% ET_c

3.427^a

10.308^a

2.946^a

9.234^a

 80% ET_c

3.419^a

9.698^a

2.67^ab

8.972^a

 100% ET_c

3.138^a

9.204^a

2.429^bc

8.545^a

Source of nitrogen

 Manure

3.641^a

10.321^a

2.246^b

8.042^b

 Urea

2.895^b

8.517^b

2.854^a

9.339^a

Cropping system

 Mono-cropping

3.526^a

10.427^a

2.550

8.691

 Intercropping

3.009^a

8.411^b

–

–

Growing season

 1st

2.718^b

–

2.579^ab

8.649^ab

 2nd

3.332^a

–

2.317^b

8.149^b

 3rd

3.47^a

–

n.d.¹

n.d.

 4th

3.552^a

9.419

2.752^a

9.275^a