How to grow rose seeds
Soak the rose seeds in 40 degrees warm water, soak them evenly on the mixed nutrient soil, cover with a thin layer of soil, and place the container in the sun. After germination, the room temperature is controlled at 20-25 degrees, the soil remains moist, nitrogen fertilizer can be applied when it grows to 3-5 cm, and the light time and intensity can be increased appropriately. When the seedlings grow up, they can be transplanted into flowerpots.
1. Soaking seeds
Soak the rose seeds in 40 degrees warm water and continue to soak for 4-6 hours after cooling. Soak the seeds evenly into the mixed nutrient soil, then cover a thin layer of soil, put the container in the sun, and maintain a temperature of about 20 degrees. Most seeds can germinate after a week.
2. Raising seedlings
After germination, we should pay attention to room temperature and soil environment, try to keep at 20-25 degrees, the soil can be kept moist. When the seedlings grow to 3-5cm, light fertilizer can be applied. Put it in a semi-sunny or well-lit place. After three weeks, you can appropriately increase the light time and intensity, but also increase the concentration of fertilizer, slowly take care of the seedlings. When it grows to a certain extent, it can be transplanted on the flowerpot or on the land.
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When will bitter chrysanthemum sow
Bitter chrysanthemum is suitable to be planted from March to April in spring and from September to October in autumn. In the north, spring sowing is suitable; in the south, it can be sown in spring and autumn. The suitable temperature for seed germination of bitter chrysanthemum is 15-17 ℃, and the suitable temperature for seedling growth is 12-20 ℃.
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Cultivation Techniques of Melon in Greenhouse in North China
Planting melon in northern greenhouse needs to select suitable varieties, then seedling, planting, field management, pest treatment. The planting time is April of each year. After planting, pruning shall be carried out in time to prevent seedling from turning into melon. Daily cleaning of weeds in the shed, appropriate topdressing can be.
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