Herbicide Roundup alternative to use in areca planation

We have areca planation based out in Karnataka. I see farmers including me are using more Roundup to remove unwanted plants.
Are there are Bio herbicide we can use , as an alternative.

Applying any kind of herbicide is not recommended in conservation agriculture. You can slash down the weeds using a grass cutter. This will mulch the soil and enhance the soil microbial activity.

By google search, you may find out many Bio herbicides There are many Bio herbicides those you can purchase by Amazon.

Hi Cyril, how are you doing? I am developing near Udupi.Do you rent your Auger? Thanks