A series of red-hot, wet and sun-rich environments, frost, dry fever, with a maximum growth temperature of 20-30°c, yellow fall of leaves below 10°c and smaller leaves and flowers above 30°c. It requires lax, fertile and well-drained soils。
I. Reproduction
The following are the technical points of a line of red, which is a better set-up of festivities, and which is produced in bulk by sowing。
1. Sowing period
A string of reds from sowing to flowering takes about four months to grow on an anniversary under protective conditions. The planting time depends on the date spent and is now shown in the table below。
Seed treatment

Seeds are immersed with 30°c warm water for six hours, then wrapped in sandy bags and washed with hands. The slurry that washes off the surface, which is then packed in a wet bulge, which is sprouts in an environment of 20-25°c, is washed once a day with water, and can be sowed for about six to seven days with seed. If not dealt with, it takes 15 days to act。
3. Sowing volume and methods
A string of red seeds weighs 3. 6 grams per thousand, with 1 square metre seeding capacity ranging from 15 to 20 grams. When sowing, pour the yin (or seedbed) into the water, and sow the seed four times the fine sand evenly on the soil, one centimetre of the ground, so as not to be too thick. If seeding occurs early in the spring, the temperature is low and the sun is covered with plastic sheeting and grasshopper protection, the general seedling is available one week after planting, and the bed is always wet。
Management
1. Deplantation

A series of red seedlings grow very slowly, with leaves ranging from 10 to 15 days. When the real leaf grows to four to five pieces, it is possible to plant the seedlings, the soil of which is grown to the point where it is required to produce sufficiently fertilized organic fertilizers, which rises to 20 centimetres, the rakes, which are planted at 10 centimetres x 10 centimetres, and then soaks the water. Thereafter, care will be taken to cultivate the pine land and, when the seedling grows up, to plant it in the garden or in the basin as necessary。
2. Cardiac
It is important to be careful in a timely manner, otherwise it is long, thin and rare. It's the first time you're going to have to take care of yourself when you're four to six. The second choreography takes place at the time of the 8-10 leaf and, depending on the growth, the second choreography takes place at every other time. One to two knots at a time。
3. Leverage

Taking a pick-up form can artificially control the period. At the top of the sequence, 25 days after the pick-up of the buds, under conditions of temperature of 20-25°c, will produce new buds and bloom. According to this pattern, if flowers are requested for 1 august, they can be picked by 5 july, and if flowers are requested for the national holiday, by 5 september。
4. Following fat
A series of red bouquets with long bouquets and high demand for phosphorus and potassium fertilizer during growth would be preferable to the application of 0. 5% potassium phosphate solution every 10 days。
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