No, there are no such requirements, but in order for your investment to be economically feasible, we recommend to use ONDO if your farm fits the following size guidelines:
* Vineyards: more than 15 ha.
* Orchards: more than 10 ha.
* Maize: more than 15 ha.
* Vegetables: more than 5 ha.
* Greenhouses: more than 0,4 ha.