How to cultivate sunflowers: methods and techniques for growing sunflowers.

How to Cultivate Sunflowers

For netizens, an detailed explanation of how to cultivate sunflowers and the methods and skills for sunflower cultivation, the specific related content is as follows:

Sunflowers are also known as sun flowers. The functions of sunflowers are mainly divided into two categories: for consumption and for decoration. Sunflower inflorescences, seed hulls, and stems can be used as feed and industrial raw materials, such as rayon, pulp, etc. The flower language of sunflowers is silent love, bright and passionate, symbolizing optimism, bravery, and unyielding spirit.

Techniques for planting and managing sunflowers:

1. Soil

Sunflowers are not picky about soil and can quickly adapt to ordinary soil, but it is best to give them loose, breathable, and well-drained soil for cultivation.

2. Light

The more sunlight, the better sunflowers grow. Make sure they get plenty of light, even in the strong sunlight of summer, there is no need to shield them.

3. Temperature

Sunflowers are not cold-tolerant and the most suitable temperature for their growth is 26℃~29℃. The cultivation temperature should not be lower than 15℃, and timely insulation measures should be taken when the ambient temperature is too low.

4. Watering

Water sunflowers only when the soil feels dry to the touch, and never overwater to avoid积水 in the pot, which can cause root rot.

5. Fertilization

Sunflowers are relatively tolerant to poor soil, but they also need to be fertilized appropriately to promote their growth. Fertilize every half month, using diluted phosphorus fertilizer, and it is recommended to use 0.1% potassium dihydrogen phosphate.

6. Pruning

Pinching the top of the sunflower seedlings when they reach 3cm~4cm in height is recommended. Also, pay attention to pruning the excessive growth, old, and weak branches. Proper pruning can promote the growth of sunflowers.

7. Diseases and Pests

Sunflowers have strong resistance and are less likely to be affected by diseases and pests, but preventive measures should still be taken. It is best to spray some preventive drugs on them before they germinate.

8. Cutting

Propagation of sunflowers often uses the method of cutting. Simply insert the cut branches into the cultivated soil in an open-air environment, and the sunflowers will grow successfully without special care.

9. Seedling Management

Good seedling management is essential for sunflower cultivation to ensure a full crop. During the sunflower planting period, it is not recommended to replant, but seedlings can be supplemented. Thinning and supplementing should be done when the first set of true leaves unfolds, and the final seedlings should be established before the third set of true leaves unfolds. If there are pests, spray pyrethroids or phoxim.

The detailed introduction of how to cultivate sunflowers and the methods and skills for sunflower cultivation shared above, for netizens to refer to and learn from.