First, real urea is white or pale yellow needles, spindles or round granular crystals, odorless, completely soluble in water, otherwise it is counterfeit urea.
The second is to take a little sample and put it into lime water. If you can't smell ammonia, it's true urea. Nitrogen fertilizers that can smell ammonia are other fertilizers or other substances that are mixed with nitrogen fertilizers.
The third is to ignite a few pieces of charcoal, or to burn red iron or tile, put a little urea on it and burn it, emit white smoke, pungent ammonia smell, and quickly turn into water, true urea; When it is burned, it is slightly boiled, and it emits a buzzing sound, indicating that ammonium sulfate is mixed as a bad product. If a hydrochloric acid smell is emitted, it shows that it contains ammonia chloride; if it is burned, a slight flame occurs. , which is mixed with ammonium nitrate.
Fresh Garlic has been used as both food and medicine for thousands of years. Fresh garlic contains many nutrients, including phosphorus, potassium, calcium, protein and vitamins B and C. Try to use it on a daily basis to achieve the greatest health benefits.
For fresh garlic ,there are two varieties of garlic: one is Normal White Garlic (with some purple stripes on the skin of the bulbs) and another variety called Pure White Garlic (or snow White Garlic) which does not have any purple stripes on the skin.
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