It wanted to explore whether farms could benefit from replacing the bought-in protein feed for beef cattle by growing a dual crop of high protein peas and beans.
Roedd am archwilio a allai ffermydd elwa ar ddisodli’r porthiant protein a brynwyd i mewn ar gyfer gwartheg cig eidion drwy dyfu cnwd deuol o bys a ffa protein uchel.