The Role of Manganese in Plant Culture - Maximum YieldMar 24, 2017 . Takeaway: Although it is used in very small amounts by plants, manganese is of capital importance to healthy plant growth, like all micronutrients. Among others, it plays a significant part in the process of photosynthesis. Manganese (Mn) is an important plant micronutrient and is required by plants in the.manganese benefiion plant second hand,Sysstem Series Phosphites | Agro-KThat makes the phosphite ion the perfect vehicle to deliver critical nutrients like Calcium, Zinc, Magnesium, Manganese, and Potassium for rapid uptake and utilization by plants for maximum effect. Managing your spray programs is easy using Sysstem products, because they can be used on all crops and in combination.