What watermelon, watermelon map

I. Basic Introduction Watermelon is an annual vine, and China is the largest watermelon producing area in the world. High nutrition content, juicy and sweet pulp, seeds can be used as leisure food and pericarp can also be eaten cold, which has high edible value and economic value. After eating, it has various functions and functions such as diuresis, detumescence and beauty beauty. There are many varieties of watermelons, such as Honghu Lake, Nectar Guanlong, Little Angel, Spring Thunder, Jingxiu and so on. The flowering and fruiting period is in summer.

Second, the shape characteristics of watermelons Most watermelons are large, close to spherical or oval, with smooth sides, blunt bases and usually slightly arched edges. The flesh is juicy and tender. The epidermis is smooth, mostly blue-black, and there will be wavy lines on the epidermis, but its color and pattern will vary with different varieties. There are many seeds, oval in shape, mostly black or white in color, but also white, yellow and light green.

Third, growth habits It likes a warm and dry climate, is not cold-resistant and moisture-resistant, and needs a large temperature difference between day and night in the process of growth and development. The optimum growth temperature of watermelon is between 24-30℃, and the temperature of developed root system is around 30-32℃. Likes light, and needs sufficient light in the growth process. Sandy soil with loose soil, deep soil layer and good drainage is suitable for planting soil, and weakly acidic soil with PH value between 5 and 7 is the best.

Fourth, picture appreciation.