The picture below exemplifies the suffering and hardship people are passing through, especially in this COVID-19 era.
This farmer may have put his or her problems into consideration when planting the maize, hence the congestion.
He or she did not consider that proper spacing of the maize which will grow alongside the cassava also planted in the ridges will increase yield other than the clustering he or she opted for.
While we are on lockdown, check on your neighbors regularly. Find out if they have got food to eat. Extend food to them if you have enough.