Crop nutrient deficiencies The purpose of crop nutrition is to make the necessary elements for proper use of crops. Therefore, it is essential that the goal is to ensure that the efficiency of the formula is accompanied by the correct relationship between costs and benefits in order to better absorb nutrients from crops. A lot of elemental deficiency symptoms NitrogenN nitrogen Lack of nitrogen>> PhosphoruP phosphorus Lack of phosphorus>> PotassiumK Potassium Potassium deficiency>> In the amount of elemental deficiency symptoms CalciumCa calcium Calcium deficiency>> MagnesiumMg magnesium Lack of magnesium>> SulphurS sulfur Lack of sulfur>> Micronutrient deficiency symptoms ZincZn Zinc Zinc deficiency>> BoronB boron Lack of boron>> CopperCu copper Lack of copper>> IronFe iron Iron deficiency>> ManganeseMn manganese Lack of manganese>> MolybdenumMo molybdenum Lack of molybdenum>>