Cultivation techniques of open-air watermelon

Watermelon is a common fruit in life, and it is planted in many areas. What are the cultivation techniques of open-air watermelon?

1. Land selection and preparation

Watermelons like to grow in the environment of deep soil layer, good drainage and loose, so when selecting land, try to choose sandy land with good drainage or ordinary sandy soil, and it is best to choose land with higher topography and slope, which is beneficial to irrigation in the later stage. After selecting the land, it is necessary to dig the soil deeply and apply an appropriate amount of organic fertilizer, which is best leveled to be planted.

2. Variety selection

There are many varieties of watermelon, open-air planting generally choose early-maturing, strong disease resistance, drought-tolerant varieties are the best, specific should be selected according to the local climate and humidity conditions.

3. Sowing seeds

(1) planting time: from mid-July to early and mid-August.

(2) seed selection: select suitable watermelon seeds according to local climatic conditions, and generally choose healthy, full and glossy seeds.

(3) treatment of seeds: soak the seeds in warm water of 55 degrees to achieve germicidal effect. Then spread the seeds on 2-3 layers of fine and tight wet cloth, cover the seeds with 2-3 layers of wet cloth, place them in a container, place the container in a warm, sunlit place, and keep the gauze moist all the time. The seeds will germinate in about a few days.

(4) sowing: after the seeds germinate, they can be sown into the soil at appropriate intervals.

4. Transplanting

(1) transplanting time: early and middle August.

(2) transplanting method: dig out the seedlings with soil roots and transplant them to a place with a larger area.

5. Post-management technology.

The main results are as follows: (1) Fertilizer requirements: watermelons do not have high requirements for fertilizer. Generally, some fertilizers can be applied before sowing, fruiting and fruit expansion period. The specific amount of fertilizer application is determined according to soil fertility and plant growth.

(2) Water requirement: watermelon is a drought-tolerant crop, which is resistant to drought and afraid of waterlogging, but it does not need irrigation, but it should be irrigated timely and appropriately. In general, when sowing, the fruit was watered several times at the time of fruit expansion and early ripening, and the specific amount of watering was determined according to the dry moisture of the soil.

(3) pressing vine: leave a main vine and two strong lateral vines from the base of the root, and cut off all the other lateral branches. There is a melon between the 10-18 nodes of the main vine, one melon per plant, and no pruning after sitting.

(4) Prevention and control of diseases and insect pests: during the growth of watermelon, diseases and insect pests such as anthracnose, Fusarium wilt and aphids should be prevented.