* Uses:- 1- Ability to be absorbed when the acidity is higher than 7.25 and when it is lower than 4.75. It may be used in light sandy lands poor in manganese. 2- It is used in calcareous and highly alkaline soils. 3- It is used in humid climates and extremely hot summers. 4- It can be mixed with most of the fertilizers and pesticides produced by the company and can be mixed with other fertilizers after conducting a mixing trial. 5- Manganese plays an important role in the oxidation and reduction processes associated with photosynthesis as an enzyme companion and thus affects carbohydrates in the plant. 6- It has a regulatory role in the form of ferrous and iron in plants and is an activating factor for some enzymes such as carboxylase. *Spray rate:- - Dosage: At a rate of 100 g/acre in the normal state of the elements in the soil and plants. - Dilution: at a rate of 100 grams / 300 liters of water per acre (depending on nutritional status and lack of elements).