For rice plants to be more rewarding, they need to have: Larger (heavier) grains More grains per fertile tiller More well-filled fertile panicles which form from the tillers that a plant puts out More tillers per plant Increased and bigger hills (stations) A healthy and strong root system below ground for each plant All these benefits works out by following four main principles of SRI method; 1) Healthy early crop establishment, 2) Reduced competition between plants, 3) Healthy soils, rich in organic matter, and 4) Moist soil (water) management