PARAGRAPHSkip to main content. This study provides descriptions of these sectors and examines the key developments emerging domestically and internationally that affect the challenges and opportunities they face. One-quarter of Pakistani farmers, of whom about 40 percent have household incomes below the poverty line, grow cotton. Export controls and taxes kept cotton prices below international levels until the mids but have subsequently tracked export parity international levels following reforms to trade and pricing policies and a greater role for the private sector. Pakistani farmers have not formally adopted genetically modified Bt cotton but there is some field evidence of its unregulated use.