Abstract: The experiment was carried out during
rabi season 2020-21 and 2021-22 at the Instructional farm, Department of Horticulture, AU, Jodhpur to study the effect of water regimes, plot configuration and mulching on growth and economics of onion (
Allium cepa L.). The experiment was laid out in Split-Split Plot Design with three replications. Three factors were studied in this experiment: Main factor A), water regimes included three levels (I1- 1.0 IW/CPE, I2- 0.8 IW/CPE and I3- 0.6 IW/CPE ratio) and two sub-factors A) land configuration include two levels (B1- Flat bed configuration and B2- Raised bed configuration), and B) Mulching include four levels (M1- No-mulch, M2- Black mulch, M3- Silver-black mulch and M4- White-black mulch). The results showed that the maximum number of leaves per plant, neck diameter, bolting percent, net returns and B:C ratio were recorded under 1.0 IW/CPE, raised bed configuration and black mulch. The earliest maturity was recorded under 0.6 IW/CPE, flat bed configuration and no mulch.
