Growing Cassava

Many cassava farmers skip soil testing entirely and simply guess at what their plots need. That guess gets expensive fast, since applying the wrong fertilizer or lime can waste an entire season’s input budget.

Anyone asking what cassava root is wants to know about the long, brown-skinned tuber behind garri, fufu, tapioca, and yuca fries. It ranks as the third-largest source of carbohydrates in the tropics, yet it must be peeled and cooked first.

Cassava crop rotation in my community follows a simple rule handed down by our forefathers: never plant cassava back to back. Every harvested plot rests for a full year under shrubs and weeds before the next cassava crop goes in.

Cassava growth stages determine root development, yield potential, and harvest quality. Understanding how cassava adapts to drought, soil conditions, and climate helps farmers improve productivity, reduce crop stress, and manage fields more efficiently from planting to harvest.

Choosing among cassava varieties decides how many bags a plot returns and how much of it survives disease. On my farm, improved TME and TMS stems now grow beside Nwanyi ocha, the white-stemmed local type my family has always planted.

Cassava post-harvest losses begin the moment a root leaves the soil, and they continue right through processing, transport, and market. Some losses are physical, with roots rotting, while others hide in bitter garri and prices that collapse during a glut.

A weak cassava stem can cost you your whole harvest before you even touch the soil. After thirty years of farming cassava in Nigeria, I have learned that good stems matter more than fertilizer, spacing, or almost anything else.

Two farmers plant the same-sized plot. One harvests twice what the other does, using the same rainfall and the same soil. The difference is usually the variety.