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Precautions for Applying Photosynthetic Microelement Fertilizer to Walnut Trees
Pictured: Walnut. Photosynthetic microelement fertilizer is a nutritional foliar fertilizer. In addition to containing the three essential elements for plants - nitrogen, phosphorus, and potassium - as well as various trace elements such as calcium, magnesium, sulfur, iron, manganese, zinc, aluminum, and copper, it also contains a photorespiration inhibitor (namely photosynthetic fertilizer), and has the effect of improving