Varieties of sunflower according to the rate of maturation distinguish early-ripening (up to 100 days of growth), early-ripening (80-85 days), mid-ripening (110-120 days) varieties. There is also an ultra-early variety that matures in 71-76 days and can produce two harvests in a summer.
What is needed for sunflower growth
Sunflower is photophilous. Cloudy weather, shading of plants, inhibit growth and development, which leads to a decrease in yield. A powerful, well-developed root system of the plant is able to extract moisture from the deep layers of the soil.
How often should sunflowers be watered
An annual sunflower needs regular watering throughout the growing season. Starting in the spring, you should plan to water this plant about once a week. As the warm season approaches, watering can increase to two to three times a week.
What is the best food for sunflowers
The main one is the application of potash and phosphorus fertilizers during autumn tillage, at the same stage nitrogen can be added in the form of carbamide and a little sulfur, which will be very useful to us in the spring. Presowing - we introduce nitrogen for presowing cultivation.
What not to plant next to a sunflower
The most dangerous neighborhood with a sunflower is for: wheat, barley, other cereals (it suppresses their growth so much that even the germination of seeds next to it becomes impossible).