The wheat harvesters in this bucolic scene are all women, illustrating the important position women play in Rwandan agriculture. Most Rwandans earn their living, directly or indirectly, from agriculture. Important food crops include sorghum, plantains, sweet potatoes, cassava, potatoes, beans, corn, and sugar. Coffee and tea are also important crops and are principal exports, as are quinine and pyrethrum. In recent years, wheat has become an increasingly important crop.