SHOGUN Samurai Terra is a highly refined mineral fertilizer for plants grown in soil. SHOGUN Samurai Terra's perfectly balanced formula is specifically designed for growing and flowering in soil. This fertilizer contains high-quality engineered minerals and the revolutionary SmartZen® Yield Maximiser, which can increase yields by up to 8%. SmartZen® improves nutrient uptake and transport for outstanding plant performance, regardless of water hardness.