The Tanzania National Farmers Network Organisation, Mtandao wa Vikundi vya Wakulima Tanzania (MVIWATA) and the African Centre for Biodiversity (ACB) are objecting to an application submitted by the Tanzania Commission for Science and Technology (COSTECH) for confined field trials of Monsanto’s stacked GM maize MON 87460 X MON 810 (GM drought tolerant stacked with throw-away and ineffective insect resistant technology).