Soil selection
Acacia soil can be formed by a mix of four permafrost, three permafrost (or peat), two permafrost (or pearl rock) and one permafrost, as well as fine sand, compost and pearl rock. The accelerants require that the soil be deflated and that the basin be run over every fall or that the soil be released in time。
Fertilisation methods
During its growth, the sunflower is given liquid fertilizer once every 10 to 15 days, while during the spring and autumn seasons of the boom, liquid fertilizer is applied once every 7 to 10 days; the acetone is used to concentrate on nitrogen and potassium phosphorus, with concentrations ranging from 0. 1 to 0. 2 per cent. They are kept indoors during the winter, with high temperatures, which will not largely stop growing and can be properly fertilized. The summer heat is high and the plant is semi-sleeping and fertilization should be stopped. Better fertilize in the evening and water the next morning。
Watering methods
The sunflower must be properly watered, rather than wet. The spring and autumn boom season should provide sufficient moisture to keep the pelvis wet on a regular basis, but not to accumulate water; in the middle of the day or in the rain, water is not usually poured or fertilized. It is possible to allow suitable plants to receive rainwater, but to avoid excessive rainfall. Otherwise, it is easy to cause decay。
During the winter, the temperature may be used as much as possible to prevent the water from being too low, leading to the planting of leaves and yellowing. (detailed watering techniques, please see how the sunflower waters.)
Temperature requirements
The sunflower is warm, warm, cold. The normal growth temperature of the acetylene is 15-25°c, and the temperature of 10°c should be maintained in the winter room, and up to 3°c, although some varieties can withstand temperatures of 0°c. In summer, when temperatures exceed 35°c, they reach semi-sleep. Keep ventilation to the greatest extent possible and avoid a hot environment that is not conducive to hibernation。
Light request
The sunflower is not afraid of the strong light, but the summer needs to cover it up at noon. Sunshine sunflowers grow strong, leaves are thick and green, short-lived and beautiful. In family farming, all three seasons of autumn, winter and spring should be located in areas with direct sunlight, where flowers can be bloomed, where they can be moved indoors to enjoy maintenance and properly receive the light, but with the avoidance of direct light so as not to cause carcasses。
Attention
In addition to the variety of species and the height of the strains, small plants should be selected for family cultivation. When the plant is of up to 12 cm or 15 cm, short and strong is sprayed once a week, twice in a row. • ensuring that the sun is 14 to 18 hours per day so that the height of the sunflower can be effectively controlled and the pellets of high quality can be provided。
Special attention is to be paid to the watering of sunflowers, which say that more will cause the death of plants and that the roots of high temperatures and humidity will be perishable. Of course, the flowering time can also be controlled, usually in the period of april-june, but in the winter, the temperature can be increased appropriately and can bloom from september in the autumn to june。
