ZA Plus is effective to stimulate the growth of the number of tillers, plant height and number of leaves. In addition, it is able to improve the quality of crop yields by improving the color, aroma, taste and size of the fruit/tuber; and make plants more resistant to pests or diseases. Nitrogen: 21% Sulfur: 24% Zinc: 1,000 ppm Maximum Free Acid as H2SO4: 0.1% Crystal Form Color: Green Available in 50 kg and 25 kg packaging.