#Three sisters farming system , ancent method of increasing the productivity.
Getting popularity now a days.
- Based on increasing production and on mixing cropping system.
- Started from America in 2016 AD.
- In Nepal , this system is practicing in mid hills and inner terai areas.
- It has been practiced from 200 years ago.
- Crops mainly includes in three sisters farming system are :-
- Corn/maize – it provide Trellis for beans
- Beans – it help in nitrogen fixation .
- Squash – it acts as natural mulching on soil .
# Important points for the “Three systems farming system”.
- Corn provides the structure for the beans to grow and provide shade for both beans and squash.
- Beans provides nitrogen to the soil,which benefits all three crops.
- The squash acts as weed suppressor and helps to maintain soil moisture.

# Advantages or Benefits on environment of Three sisters farming system
All three crops provide mutual benefits to each other and creates a sustainable effective farming system.
Sustainable and environmentally friendly farming method.
It also promotes biodiversity.
Reduce the need of chemical fertilizer.