How to cultivate late-maturing watermelon

Late-ripe watermelon is an important source of watermelon shortage in the market before and after the Mid-Autumn Festival. Qiuyan watermelon has the advantages of excellent quality, good taste, low investment and high efficiency. The cultivation techniques are as follows.

The land selection and land preparation are fertile, the terrain is slightly higher with slope, and the irrigation and drainage is convenient. The sandy loam soil that has not been planted with melon crops is better. After the crops are harvested, they should be turned on in time. The organic fertilizer or soil fertilizer is 2000~2500 kg, the urea is 30 kg, and the potassium sulfate is 30 kg as the base fertilizer. It is sprinkled into the well-dried land and then flattened. The width of the car is 60~70 cm, and the height of the car is 15~20 cm.

Choose excellent varieties of medium, early maturity, disease resistance, high temperature resistance, high humidity, and transport resistance.

Sowing and planting at the right time in order to catch up during the Mid-Autumn Festival and National Day. Seedlings are generally planted around July 20th to 25th, and transplanted in mid-August. Soaking seeds and germination. Soak the seeds for one hour before soaking for two hours, then soak the seeds in water at 30 °C for 4 hours. When picking up the seeds, pick up the seeds and wash the seeds, wash them, drain the water and place them in the environment of 25 °C ~ 30 °C. Cultivate strong seedlings. The seedbed is 80 cm wide and is seeded with a 10 x 10 cm nutrient cup. Nutritional soil preparation: 6 parts of soil, 4 parts of high-quality decomposed cattle, pig manure, 0.5 kg of urea per square meter of nutrient soil, 0.5 kg of diammonium and potassium sulfate, fully mixed into the nutrition cup and sowed . In order to ensure the high survival rate of seedlings, the seedbed adopts a small arch shed to cover weeds to prevent rain and sun. Colonization. In August, the field was planted in Datian, with a row spacing of 1.6 meters, a plant spacing of 0.4 to 0.5 meters, and an acre of 800 to 900 plants. Covering the mulch after planting can improve the microclimate in the field and play a role in preventing drought and shading.

Strengthening field management Qiuyan watermelon has a short growth time and fast speed. Management should pay attention to the following points.

Multi-vine pruning uses two vines or three vine pruning, leaving 1~2 strong side vines in the main vine base 3~5 knots, and the rest of the melons are removed. When pruning, avoid using hand rubs and use scissors to pruning with a solution of thiophanate to prevent infection.

The pollination of Qiuyan watermelon is just rainy or dry season, and the female flower is low, it is not easy to sit on the melon. The method of artificial pollination can increase the rate of sitting. The pollination time is carried out at 6~9 am, and the pollination time mark is made at the same time so that it can be identified when picking melons.

Timely prevention of pests and diseases Qiuyan watermelon is the season with high temperature and pests. The common diseases are anthracnose, epidemic disease, downy mildew, blight, and viral diseases.