When the melon is old, it expands.

The swelling agent is a plant growth regulator approved by the state and does not belong to food additives. At present, swelling agents are widely used in China. So how old is the melon when it is swollen?

1. How old is melon when it is swollen?

Generally, the first time in the melon set about ten days after the application, this time it is recommended to use a lower concentration, the use of melon swelling element can promote the transfer of nutrients to young melon; the second time is best in half a month after the melon set, can make melon rapid swelling.

2. The growing environment of melon

Melon is most suitable for planting in sandy loam with deep soil layer, good permeability, pH value of 5.5-8.0 and difficult water accumulation. The soil that is too acidic and too alkaline needs to be improved before cultivation. Melons love light and need 10-12 hours of light a day to maintain normal growth and development. When warm shed cultivation, try to use plastic film and glass with high transparency and no water drops. Melon is thermophilic, heat-resistant and extremely cold-resistant. Seed germination temperature 15-37℃, early spring open field sowing should be stable at 15℃ above, so as not to rot seeds. The optimum temperature for plant growth is 25-30℃, and all plants can grow at 14-45℃. The optimum temperature for flowering is 25℃ and for fruit ripening is 30℃. The temperature difference between day and night has a great influence on the quality of melon. The temperature difference between day and night is large, which is beneficial to the accumulation of sugar and the improvement of fruit quality.

III. Edible value of melon

Melon is summer melon, flesh raw food. Melon can be made into the following processed products:

1. Dried melon: Xinjiang, China is a traditional product, must choose the flesh fine, thick, white varieties. Harvest when reaching 90% maturity, peel, remove pulp, cut into pieces and air dry to prepare.

3. Preserved melons: peeled muskmelon, cut into strips. It is hardened with lime water and calcium salt of a certain concentration, treated with sulfite solution for color protection, pickled with sugar according to a certain proportion, soaked, evacuated and baked with sugar.

3. Melon juice, melon pieces can processing technology similar to other fruits. In addition, it can also be processed into melon wine, melon sauce, pickled melon and so on.

Melon is rich in vitamins and a small amount of protein, fat, minerals and other vitamins, summer can eat more melon.