Magnesium is an essential nutrient for vegetables. Supplementing magnesium fertilizer for vegetables can enhance photosynthesis, improve character, enhance the absorption of phosphorus, silicon and other elements, strengthen the nutrient metabolism of phosphorus, and improve the disease resistance of plants.
According to the pH of the soil, choose the magnesium fertilizer for the road. Neutral and alkaline soils should use quick-acting physiological acid magnesium fertilizer such as magnesium sulfate, and acidic soil should use slow-acting magnesium fertilizer such as magnesium oxide. Magnesium fertilizer can be applied and applied. The base is mixed with the rest of the fertilizer or organic fertilizer before the ploughing of the land, or mixed with fine soil to apply alone; chasing, can be applied or water. Apply 1 to 1.5 kg of pure magnesium fertilizer per mu, equivalent to 10-13 kg of magnesium sulfate per acre. After the magnesium fertilizer is applied at one time, it is not necessary to apply it every time. It can be applied once every few crops. Foliar application of magnesium fertilizer was carried out in the middle stage before the growth of vegetables, and the spraying concentration was 0.2-0.5%.
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