Reduction of CH4 in rice crops. 1000 ha. 1. 1. Taken into account. 1; 2; 5; 12 and 13. Biomass energy. Electricity production from biomass residues. 1 MW cogeneration. 12. 12. Taken into account. 5; 7 and 13. Electricity production from. 100 kt sugar cane / year. 1. 2.