Semi brown rice Calasparra Ecological with D.O. Calasparra. The quality and the prestige of the Calasparra rice are a consequence of the characteristics of the zone where it is cultivated: the purity of the waters, the climatology of the place, the particular disposition of the small plots in mountainous and broken zones of the Segura river and its affluent the Mundo river, the use of selected seeds and especially the system of biological culture, which does not exhaust the wealth of the ground.