• (N)
• Nitrogen
• (2.0% to 5.0%)

• (P)
• Phosphorus
• (0.5% to 1.0%)

• (K)
• Potassium
• (1.0% to 2.0%)

• (Ca)
• Calcium
• (0.5% to 3.0%)

• (Zn)
• Zinc
• (15 ppm to 60 ppm)

• (Cu)
• Copper
• (4 ppm to 20 ppm)

• (S)
• Sulphur
• (0.2% to 3.0%)

• (Mg)
• Magnesium
• (0.3% to 1.0%)

• (Fe)
• Iron
• (500 ppm to 1200 ppm)

• (Mn)
• Manganese
• (20 ppm to 60 ppm)