First, good sentences:
1, every seed is in the soil, looking forward to the arrival of spring, everyone wants to come out of the ground quickly and see the beautiful world outside.
2. Every seed contains infinite power. They are more powerful than scientists and can do things that scientists can't.
3, a seed, in pain, germinates new hope; A baby breeds a new life in pain; The young eagle, in pain, tenaciously spread its wings. Everything has to go through painful exploration to get the joy of success.
4. I like you. This is a small seed. I hid it carefully. Nobody knows where it is. Please rest assured! I will let it take root and sprout, it will be good! Very good! Even without you!
Second, the seed introduction:
Seeds are the reproductive system of seed plants and play an important role in the continuation of species. Seeds are closely related to human life. Besides grain, oil and cotton, some medicines (such as almonds), seasonings (such as pepper) and drinks (such as coffee and cocoa) all come from seeds. Plants, trees, flowers and plants are also propagated by seeds. Many seeds can be eaten, which is delicious on the table.
Methods of seed sowing and propagation:
1, prepare seeds:
First, choose healthy and mature seeds for sowing. If you collect seeds yourself, please make sure that the seeds are fully mature. Usually, they will change obviously in color or texture. If you buy seeds, please pay attention to the quality and preservation conditions of the seeds.
2, soil preparation:
Choose suitable sowing soil, usually soil with rich nutrition and good drainage. We can use special nursery soil or add humus soil and sand to improve the soil texture.
3. Sowing time:
Every plant has the best sowing time. Usually you can refer to the suggested sowing date on the seed package or inquire about relevant information. Generally speaking, spring and autumn are the best time to sow many plants.
4. Sowing depth:
The sowing depth of seeds varies with plant varieties. Generally speaking, the depth of a seed should be 2-3 times its diameter. Too shallow or too deep seeds may affect germination rate and seedling growth.
5. Humid environment:
It is very important to keep the soil moist after sowing. You can gently wet the soil with a watering can to avoid being too wet or too dry. At the same time, covering the seeding tray with a cover or a transparent plastic bag can keep the soil moisture and temperature.
6, lighting conditions:
Different plants have different requirements for light. Some plants need plenty of sunshine, while others like semi-cool or cool environment. When choosing the sowing position of seeds, reasonable arrangements should be made according to the light demand of plants.
7, regular care:
Observe the germination of seeds in time after sowing. Once the seedlings appear, adjust the humidity and light conditions properly to promote their growth. At the same time, keep the soil well ventilated and drained to avoid excessive wetting of seedlings.