Custard apple trees in Karachi thrive but face climate, housing threats

Do you know a fruit tree just like Karachi? One that requires little and produces abundantly.

In Karachi's often-sweltering climate, custard apple trees thrive since they need no watering for six months. Pesticides are not sprayed, but natural fertilizers are used to ensure a better harvest.

However, climate change and expanding housing schemes now pose a threat to this cultivation.