A: Nitrogen fertilizer, potassium fertilizer, organic fertilizer and trace element compound fertilizer are needed. Apply 15 kg of urea per acre, 50 kg of potassium sulfate potassium, and trace elements can also be applied. Calcium fertilizer does not need to be deliberately applied. The soil in Guanzhong is not deficient in calcium, but the soil is mostly alkaline, and calcium fertilizer is not easily absorbed. When fertilizing, pay attention to digging the pit to spread the fertilizer evenly and watering it.
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Our pp foil combined cap is widely used in the hospital and clinical infusion issue.The main working procedures such as injection molding, assembly, inspection, inner packing and outer packing will go under a series of regular management system. During the whole procedures,firstly, we use the injection molding machinery to form a cap with a hole in its head,then we will embed a gasket into the hole and then use a pressing slice to fix the cap and the gasket, at last, we will seal the combined cap with a suitable film on it. We will check the sealing ability to prevent the leakage in application before we ship the cargo. If you are interested in our this type product, your detailed inquiries will be great.
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