Barnyard Millet Seed (Echinochloa frumantacea) is a wild seed and not a grain, mainly grown in the hilly areas of Uttaranchal, India. What is barnyard millet good for?The Barnyard millet or Sanwa rice as it is popularly known has high levels of protein, calcium, iron, minerals, and vitamin B complex. It is also low in carbohydrates and gluten-free, making it a boon for those with gluten allergies, type II diabetes, and cardiovascular diseases.