How to plant sunflower seeds

Sunflowers think of the sun in full bloom, very beautiful, but also can grow sunflower seeds, sunflower seeds can not only extract oil, but also can be used as feed and snacks. So how to grow sunflower seeds?

1. Soil: sunflower is also called oil sunflower, sunflower can grow in the field, even in saline soil can grow well, only need to meet the problem of irrigation and watering, but it will grow better, sunflower seeds will grow fuller, and it can also be rotated with corn and soybean.

two。 Sowing time: the sowing time of sunflower is not strict, as long as it is sown in frost-free period. You can sow seeds as long as the temperature is above 10 degrees. You can choose to sow in early January and early March after the stinging of the lunar calendar, no later than late April, otherwise it will affect the planting of the next crop.

3. Fertilization: if you want to make it grow better, you should eat more fertilizer, and do not need topdressing. In general, only three or five tons of farm manure should be applied to one mu of land, and the soil should be irrigated before sowing.

4. Planting density: 3000-6000 sunflowers per mu, sparse if the soil fertility is good, seed density if the soil fertility is not good, equal distance hole sowing, plant row spacing is 40-60cm, sow 1-2 seeds per hole, or large and small rows can also be planted. Cover soil after sowing, cover with plastic film to preserve soil moisture. When sunflowers germinate, do a good job in vaccine management, timely check seedlings and replenish seedlings. After sunflowers are sown and germinated, they can replenish seedlings, but they must not be planted.

5. Pollination: sunflowers are pollinated by insects. The pollen of sunflowers is relatively heavy and is not easy to drift with the wind, so they can only be pollinated by insects. If the planting area of sunflowers is relatively large, bear bees can be pollinated, and the planting area is small. Artificial pollination can be chosen. Lunch time should choose a sunny day around 10:00 in the morning, the adjacent pair of flower plates can be gently rubbed together, once every two or three days, usually pollination three times.

6. Harvest: about the end of June, sunflowers begin to turn yellow, and at this time you can harvest.

Sunflower seeds can plant good-looking sunflowers, sunflowers have a high ornamental effect, melon seeds are also widely used after harvest, and can be suitable for large-scale planting.