Manganese Iron 5 Copper 4 Zinc 4 Boron 3 Calcium 3 Potassium 3 Chemical composition 2 Chlorine 2 Crop quality 2 Heavy metals 2 Magnesium 2 Molybdenum 2 Nutrient transport 2 Nutrient uptake 2 Phosphorus 2 Plant Composition 2 Plant Nutrition 2 Plant Physiology and Biochemistry 2 Plant composition 2 Sodium 2 Sulfur 2 Amino acids 1 Ammonium 1 Animal Nutrition (General) 1 Animal Nutrition (Physiology) 1 Animal Wastes 1 Application date 1 Application methods 1 Application rates 1