Time and method of watermelon planting

1, planting time. Watermelon planting time is from March to April, early-maturing varieties will be planted in mid-March, and late-maturing varieties will be postponed to late April.

2. Choose land. Choose sandy loam with deep soil layer, loose and fertile soil and convenient irrigation and drainage, and plant it in fields where melon crops have not been planted in dry land for 5 years and in paddy field for 3 years.

3. Soil preparation and fertilization. Before winter, Gua Tian ploughed deep into the frozen soil and prepared the soil in time before transplanting. Gua Tian needs three ditches to support it, so that the rain will prevent the fields from drying, the soil will be loose and the surface will be flat.

4. planting. Before sowing 1 day afternoon, water the nutrition bowl. When sow, that seeds with bud tip are laid flat in nutrient pots, and each pot contains 65,438+0 seeds, which are cover with fine soil with a thickness of 65,438+0 cm and covered with a film.

5, pruning pressure. Trimming with three vines. When the leaves of the main vine are 8-9, the main vine and two strong lateral vines are selected, and the rest of the sub-vines and Yang vines are all removed.

6. Sit on a melon. We should choose the second and third female flowers on the main vine or 1 and the second female flowers on the side vine to sit on the melon.

7. Top dressing. When the young melon grows to the size of an egg, topdressing the swollen melon fertilizer according to the plant growth, generally topdressing 45% nitrate sulfur or potassium sulfate controlled release fertilizer 15-20kg per 667m2.

8. Moisture. In order to promote the formation of developed roots, we should water as little as possible or even not at seedling stage. Control water before flowering and fruit setting to prevent crazy growth; Sufficient water supply should be ensured after fruit setting, which is beneficial to fruit expansion and weight increase.