By , CHICAGO/WINNIPEG, Manitoba (Reuters) - Beer made from rice grown with less water, rye planted in the off-season and the sale of carbon credits to tech firms are just a few of the changes North American farmers are making as the food industry strives to go green.The changes are enabling some farmers to earn extra money from industry giants like Cargill, Nutrien and Anheuser-Busch. Consumers are pressuring food producers to support farms that use less water and fertilizer, reduce greenhouse gas emissions and use more natural techniques to maintain soil quality.Investments in...…By , CHICAGO/WINNIPEG, Manitoba (Reuters) - Beer made from rice grown with less water, rye planted in the off-season and the sale of carbon credits to tech firms are just a few of the changes North American farmers are making as the food industry strives to go green.The changes are enabling some farmers to earn extra money from industry giants like Cargill, Nutrien and Anheuser-Busch. Consumers are pressuring food producers to support farms that use less water and fertilizer, reduce greenhouse gas emissions and use more natural techniques to maintain soil quality.Investments in...WW…