TANZANIA, Oct. 30 -- Tanzania has set itself one of the most ambitious economic transformations in its history. Development Vision 2050 envisages an upper-middle-income, industrialised and globally competitive country with an economy valued at approximately US$1 trillion. Within that ambition lies another transformative target: building an agricultural economy worth approximately US$100 billion by 2050.

That means agriculture alone is expected to account for an economy larger than the entire present-day economies of many African countries. The Agriculture Master Plan 2050 envisages agricultural GDP increasing approximately fivefold to US$100 billion, accompanied by major improvements in productivity, agro-processing, exports and smallhol...