Multinational grains traders operating in Brazil are seeking to weaken an agreement that forbids buying soybeans from farms on deforested land in the Amazon rainforest, environmental advocates involved in the discussions said on Wednesday

Grain exports and essential supplies affected
The mine has sparked contention, with claims that it infringes on Indigenous rights in the region
Properties could be embargoed, agency says
Prosecutors 'negotiating improvements' with companies
Packer plans to move against cattle 'laundering'