The present invention is related to coating compositions, in particular for seeds of leguminous crops. The present disclosure provides a liquid composition for seed coating comprising from 10 to 250 g/l of molybdenum, 0.001 to 1.0 weight % of a vitamin B12, and 0.1 to 10 weight % of a compound selected from the group consisting of succinic acid, malic acid, maleic acid, tartaric acid, fumaric acid, any salts thereof, and any mixtures thereof. The present disclosure also provides a method for preparing seeds of leguminous crops, and the use of a liquid composition for the coating of seeds of leguminous crops or for soil application.