Autumn is born in the tropics and is a one-year herbivorous plant. It prefers fertile, well-water-protected, well-lighted and deep soil, which is not cold. Autumn strains are generally high between 1-2 m, with a suitable temperature of 15°c and above, with a normally 5-9 day germinate time, and the most suitable temperature range for growth is 25 - 32°c. So, how do you grow the acorn
1. Soil treatment
Autumn is suitable for growth in sandy soils with ph 7. 2-8. 5. Before planting, the soil needs to be ploughed deep to a depth of about 25-30 cm to ensure that the soil is ventilated. The soil is then disinfected, bacteria and pests are eliminated, and a good environment is created for the growth of the autumn. After soil treatment has been completed, applied to base fertilizers with 4. 5 kg of rotable organic fertilizer per square metre, 22 g of ammonium phosphate and 22 g of potassium sulphate to meet the nutrient demand in the early stages of autumn growth。
2. Drumbing and seeding
Autumn seeding usually takes place between april and mid-may. Before seeding, seeds are immersed in hot water at 30°c for 12-24 hours before being taken out for drying. The seed is then sprung in an environment of 25-30°c and can be sowed in about 1-2 days when the seed is white. The seeding takes place before the water is poured, until the water is fully permeated。
In the case of seedlings, seedlings should be kept at around 25°c and ensure that the bed remains humid. Each slot is placed in two to three seed seeds, with the planting being held at depths of two to three centimetres, or in fine soil covering two to three centimetres after planting. Under suitable conditions, seedlings are generally available for 3-7 days, and if they are grown using membranes, they can be reduced to 3-5 days。
3. Small and plant
When the first leaf of the aluminum seedlings spreads, the first seedlings are carried out and the sick and the weak are uprooted in time to ensure that they are strong. When the seedling grows to 2-3 leafs, a second seedling is carried out to preserve a strong seedling. When seedlings grow to 3-4 leafs, they can be replanted. Pre-plantation is preceded by pouring of water and seedlings to reduce the damage to the roots. At the time of planting, the range should be 50 cm x 40 cm, with one seedling per den。
4. Plantation and management
After a month of planting, the leaves of the autumn grow and may be fractured and haired, at a time when flowers are invisible. Two months later, the autumn began to bloom, and its flowers usually bloomed in the morning, closed at noon and declined in the afternoon. As a result of the light of the autumn root, it is recommended that the leaves of the flowering penalty be removed to facilitate the growth of the plant and the development of the fruit。
5. Cultivation
Autumn's base fat is best chosen by grass-grass soil. In the pre-growth period, the growth of plantations and the development of leaf blades are promoted by the application of nitrogen fertilizer; in the middle and later stages, the use of phosphorus potassium fertilizer contributes to the expansion and quality of fruit. It is followed up once, once when it reaches a height of 50 centimetres, once during a period of fruit expansion, and at a later stage with flexibility to adjust the application strategy to the strength of the plant and the fertility of the soil. The three-dollar compound fertilizer can be applied to 12-24 g/m2. The application of 0. 2-0. 3 per cent potassium phosphate during the flower season can effectively contribute to better flowering, sitting and fruit expansion. In addition, pine soil is required once every about 10 days during the seeding season in order to maintain soil accommodation and to facilitate the growth and development of root systems。
6. Water-water management
Autumn roots are more developed and have a strong water fertilization capacity and are therefore more drought-resistant, but it prefers to grow in a more humid soil environment. During the sapling season, water can be sprayed one at a time and one at a time to meet the water requirements of the seedlings. Upon entering the bouquet period, water demand for the plant has increased as a result of higher temperatures, usually every seven days or so, and it is best to use small water to keep the soil humid. It is important to note that water should not be poured during the high-temperature period of the day in order to damage the roots and lead to problems such as root and root。
Seven. Foliage
The growth of the sunflower is characterized by one fruit for each leaf. After harvest, the corresponding leaves should be removed in time to reduce the inefficient consumption of nutrients. At the same time, it is also necessary to remove in a timely manner the excess side branches on the strains that are not productively grown, as well as the old, yellow, sick and disabled leaves in the lower middle. In addition, attention should be paid to the timely implementation of the top-up operation and the timely harvesting of mature fruit, which would allow for the concentration of nutrients for sit-ins and fruit expansion, and would encourage the planting of more branches of fruit, thereby improving the ventilation of the plant and effectively reducing the incidence of pests and diseases。
8. Fruit harvest
The optimal harvest period for akills is usually three to five days after the flower is cut, when the fruit is generally about 8-10 cm. The harvest period lasted from june to mid-october. At the beginning of the outcome, it is collected once every one day; at an advanced stage, it is possible to collect once every 3-4 days. The harvest time suggested that the choice should be made after dew dry in the morning or before fog in the afternoon to ensure the quality of the fruit. When harvesting, it is advisable to cut the fruit from the root of the handle using scissors to avoid damage to the plant。
This is the introduction to the autumn planting, and the farmers' friends who want to grow the autumn will be able to grasp the relevant planting points in advance
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