1. Soybean sweetening method (Saccharin sweetening method)

Dissolve 500g saccharin into a large pot of water, add 5~10kg of soybeans after boiling, continue heating and boiling until the water is dry, make saccharin fully penetrate into the expanded soybean body, make saccharine beans, and then add 5kg of potassium sulfate, 5kg of diammonium, 15kg After the straw ash is fully stirred, it is applied in the ditching of the watermelon to increase the sugar content by about 2 degrees. The effect is extremely obvious.

2. Spray potassium dihydrogen phosphate + glucose solution

During the expansion of watermelon, use 1kg of glucose per acre, dissolve in 30kg of water, add 80~100g of potassium dihydrogen phosphate, spray the plants after fully dissolved, spray once every 7 days, spray 2~3 times, make watermelon sweetness Significantly improved.

3. Spray sweetener

400g of borax, 4.8 to 5kg of sucrose, and 1.4kg of calcium chloride are added to 100kg of water and dissolved to form a sweetener. When the watermelon begins to expand, spray 50 kg of sweetening solution per acre. Do not apply nitrogen fertilizer and heavy watering after spraying.

4. Vegetable oil sweetening method

When the watermelon grows to a big fist, use a wooden stick with a diameter of 1.5cm, and plunge into a hole 12cm deep in the soil 2cm away from the main root, add 3~4 drops of vegetable oil, seal, and pour the water 3 to 5 days later. This method can increase the sugar content of watermelon by 1 to 1.5 degrees, and increase the yield by 15% to 20%.

5. Spray rare earth liquid

The seedling period uses 100kg/L of rare earth liquid 40kg per acre, flowering time and young fruit period use 380mg/L rare earth liquid 50kg per acre, choose the sunny field all over the field to evenly spray, spray a total of 3 times. By using this method, the leaves can be enlarged, the leaf color can be increased, the yield can be increased by more than 10%, the sugar content can be increased by 1 to 2 degrees, and the storage and transportation are strong.

6. Spraying triacontanol

In watermelon fruit setting period and fruit enlargement period, spraying 0.5-0.5kg/L triacontanol liquid 40-50kg per mu can increase production by about 20%, and the sugar content can be increased by 1 degree.

7. Strengthen field management

1Draw a temperature difference between day and night, a larger temperature difference between day and night is conducive to the accumulation of photosynthetic products, namely sugar. Protected land watermelon during fruit expansion during the daytime shelf temperature is maintained at 32 ~ 35 °C, night 15 ~ 18 °C, day and night temperature difference maintained at 16 ~ 18 °C, is conducive to improving quality.

2 If the soil moisture is too large during ripening of watermelon, it will reduce the sweetness. In the 10 days before it matures, it is necessary to pay attention to water control.

3 appropriate harvest, the general development of watermelon 30 to 35 days to fully mature, high sugar content, flavor is good. However, for the morning market, some melon farmers often harvest early and reduce their sweetness. Proper harvesting is the basic measure to ensure watermelons.

Vitamins & Nutritions

Vitamins:

Vitamin A: Retinol. Carotene compounds responsible for transmitting light sensation in the retina of the eye. Deficiency leads to night blindness.

Beta carotene: An antioxidant which protects cells against oxidation damage that can lead to cancer. Beta carotene is converted, as needed, to vitamin A. Food sources of beta carotene include vegetables such as carrots, sweet potatoes, spinach and other leafy green vegetables; and fruit such as cantaloupes and apricots. Excessive carotene in the diet can temporarily yellow the skin, a condition called carotenemia, commonly seen in infants fed largely mushed carrots.

Vitamin B1: Thiamin, acts as a coenzyme in body metabolism. Deficiency leads to beriberi, a disease of the heart and nervous system.

Vitamin B2: Riboflavin, essential for the reactions of coenzymes. Deficiency causes inflammation of the lining of the mouth and skin.

Vitamin B3: Niacin, an essential part of coenzymes of body metabolism. Deficiency causes inflammation of the skin, vagina, rectum and mouth, as well as mental slowing.

Vitamin B6: Pyridoxine, a cofactor for enzymes. Deficiency leads to inflammation of the skin and mouth, nausea, vomiting, dizziness , weakness and anemia.

Folate (folic acid): Folic acid is an important factor in nucleic acid synthesis (the genetic material). Folate deficiency leads to megaloblastic anemia.

Vitamin B12: An essential factor in nucleic acid synthesis (the genetic material of all cells). Deficiency leads to megaloblastic anemia, as can be seen in pernicious anemia.

Vitamin C: Ascorbic acid, important in the synthesis of collagen, the framework protein for tissues of the body. Deficiency leads to scurvy, characterized by fragile capillaries, poor wound healing, and bone deformity in children.

Vitamin D: A steroid vitamin which promotes absorption and metabolism of calcium and phosphorus. Under normal conditions of sunlight exposure, no dietary supplementation is necessary because sunlight promotes adequate vitamin D synthesis in the skin. Deficiency can lead to osteomalacia in adults and bone deformity (rickets) in children.

Vitamin E: Deficiency can lead to anemia.

Vitamin K: An essential factor in the formation of blood clotting factors. Deficiency can lead to abnormal bleeding.

Nutritions:

For the treatment of nutritional disease, any of the nutrient-related diseases and conditions that cause illness in humans. They may include deficiencies or excesses in the diet, obesity and eating disorders, and chronic diseases such as cardiovascular disease, hypertension, cancer, and diabetes mellitus. Nutritional diseases also include developmental abnormalities that can be prevented by diet, hereditary metabolic disorders that respond to dietary treatment, the interaction of foods and nutrients with drugs, food allergies and intolerances, and potential hazards in the food supply. All of these categories are described in this article. For a discussion of essential nutrients, dietary recommendations, and human nutritional needs and concerns throughout the life cycle, see nutrition, human.

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