These plants including annuals plants originating from northern Tropical America (Mexico), height 3

Sunflower (Helianthus annuus L.) is a plant that is pleasing to the eye and easy to maintain, because the plant has long been known in Indonesia as an ornamental plant. It is estimated that this plant is native to Mexico and has spread to various parts of the world. This interest is divided into two types, namely the type of decoration and the type of food. Sunflower developed for the food industry, divided into two major groups of interest for industrial raw materials oil (oilseed) and interest for snacks (confectionery).
Type sunflower oil is used as a raw material, westfield doncaster has a higher oil content and thinner skin. In the world, countries are the main sunflower seeds Russia and France, while in Asia the main producers are China and India. In these countries sunflower seeds are generally processed into oil, but there is also processed into food and cosmetic westfield doncaster raw materials.
Sunflower (Helianthus annuus L.) is an annual plant of the tribe-kenikiran marigolds westfield doncaster (Asteraceae) are popular, both as an ornamental plant and oilseeds. This plant flowers very typical: large, usually bright yellow, with a large flower head (can reach 30cm in diameter). This flower is actually a compound flower, composed of hundreds to thousands of small flowers on the head. Sunflower also has a distinctive behavior, namely the interest is always facing the sun or heliotropisme.
Family: Asteraceae
These plants including annuals plants originating from northern Tropical America (Mexico), height 3m to 5m depending on varieties. Single leaf width. Stems are usually covered with coarse hair, erect, sparsely branched. Flowers are arranged compound. There are two types of flowers: flowers or flower edge of the tongue that brings one big bright yellow petals and sterile, and tubular flowers are fertile and produce seed. The tubular westfield doncaster flowers that number could reach 2000 bud in one bunch of flowers. Open-pollinated (cross) and assisted by insects.
Large flower head (inflorescence) with a diameter of flowers can be up to 30 cm, with a crown-shaped ribbon along the edge of the cup with transverse size between 10 to 15 centimeters, westfield doncaster yellow, westfield doncaster and in the middle there is a small flowers are tubular, brown color. When fertilized, these little flowers into seeds are black and white striped gathered in the cup. When ripe, the seeds easily removed from the cup. Sunflowers westfield doncaster are known to grow toward the sun, this behavior is known as Heliotropism. At night, the flowers westfield doncaster bowed down.
Sunflower (Helianthus annuus) can be planted in the yard and gardens getting enough sunlight as an ornamental plant. This plant is suitable in all weathers but is most fertile plants in mountainous areas, areas that have a lot of moisture and direct sunlight. westfield doncaster Sunflowers can grow in lowland up to a height of 1,500 meters above sea level. Sunflower can not live in an area that is flooded. Because the roots will rot.
Sunflowers westfield doncaster like fertile soil and warm. This plant likes a sunny atmosphere. Given its origin, this plant is suitable to grow in a subtropical climate. In the tropics in high yield when grown in the highlands. In temperate regions such as Europe this plant can only be planted in the spring to autumn and should be avoided exposed to frost. Planting density is usually 60000 to 70000 plants per hectare. Introduction to Seed.
The introduction of this seed is the beginning of a very important process. Sun flower seed usually large and very recognizable. Because these seeds are often consumed as sunflower seeds. One of the types of sunflower seeds are used type of Mammoth Grey, kind Velvet Queen, Evening Sun. Land preparation
In general, sun flower can grow in soil conditions, however, as long as there is full sun and water. But for seeding, can be selected loose and fertile westfield doncaster soil that is well able to bind water. Can also be directly planted in permanent media, such as in the garden, the garden or anywhere you like. Preparation of seed
Sunflower is propagated by seed. Flower seeds derived from the first parent that is old. You do this by seeding. Seeds that will be made of seeds to be the best and high quality seeds. so that the results obtained will be satisfactory. Cultivation
Cultivation of sunflower seeds diterbarkan westfield doncaster manner directly on the ground to a depth of 3-8 cm. This type requires a weed-free westfield doncaster medium nursery. Planting by mechanical means, the average seed 3-8 kg / ha depending on seed size and distance. Commonly used distance is 60-75 cm between rows and 20-30 cm da