Onion + Turmeric Information needed

Hello All,

I have three acres of turneric intercropped with Tomato, Bhendi, Cluster beans, French beans etc but the overall output of the intercroping in terms of profit is not good. So I was researching on alternatives and read about this turmeric + Onion Intercropping.

Apprecite if anyone can throw light on the practise like how it the sowing done, harvest done etc. Anyone experienced with similar farming close to Hyderabad, please let me know i can visit you.