How to properly preserve fertilizer

1. Prevent mixing. When fertilizers are mixed together, it is easy to make physical properties worse. If the calcium phosphate encounters ammonium nitrate, it will increase the hygroscopicity, resulting in inconvenient application.

2. The name of the logo is not true. Some farmers use compound fertilizer bags to pack urea, some use urea bags to mix compound fertilizer or ammonium sulfate, and some use special fertilizer in imported compound fertilizer bags, so that it is easy to make mistakes during use.

3, anti-break bag packaging. For example, the nitrate-nitrogen fly material has strong hygroscopicity, and will be turned into a slurry after being absorbed, even in liquid form, and should be sealed and stored. Generally, it is stored in a ceramic container such as a cylinder or an altar, and is tightly capped.

4, fire prevention. In particular, nitrate nitrogen fertilizers such as ammonium nitrate and potassium nitrate decompose oxygen when exposed to high temperatures, and burn or explode when exposed to an open flame.

5, anti-corrosion. There is free acid in the superphosphate, and ammonium bicarbonate is alkaline. Do not touch the metal container or scale to avoid corrosion.

6. Aromatic fertilizers are mixed with seeds and food. In particular, the strong volatile ammonium bicarbonate and ammonia water mixed seeds will affect the germination and should be fully paid attention.
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Aluminium foil (or Aluminum Foil), often referred to with the misnomer tin foil, is aluminium prepared in thinmetal leaves with a thickness less than 0.2 mm (7.9 mils); thinner gauges down to 6 micrometres (0.24 mils) are also commonly used.
Aluminium foil is produced by rolling sheet ingots cast from molten billet aluminium, then re-rolling on sheet and foil rolling mills to the desired thickness, or by continuously casting and cold rolling. To maintain a constant thickness in aluminium foil production, beta radiation is passed through the foil to a sensor on the other side. If the intensity becomes too high, then the rollers adjust, increasing the thickness. If the intensities become too low and the foil has become too thick, the rollers apply more pressure, causing the foil to be made thinner.
Aluminium is used for packaging as it is highly malleable and can be easily converted to thin sheets and can be easily folded, rolled and packed.it is also used broadly in food and pharmaceutical packaging. The purpose of aluminium is to make long-life packs (aseptic packaging) for drinks and dairy goods, which allows storing without refrigeration. Aluminium foil containers and trays are used to bake pies and to pack takeaway meals, ready snacks and long life pet foods.

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