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What do you mean by natural growth of plants?
The natural growth of plants is that roots absorb nutrients from soil, leaves absorb carbon dioxide through photosynthesis, and plants have vegetative growth and reproductive growth.

1, vegetative growth refers to the development stage of plants from germination to flower bud differentiation. In the vegetative growth stage, the apical meristem of plants is controlled by auxin, cytokinin and other plant hormones to differentiate into cell tissues and grow upward, and is also influenced by external factors.

2. Reproductive growth means that under the control of hormones in the body, plants begin to differentiate flower buds and gradually form flowers. After fertilization, sperm and egg combine, and this combination is called fertilized egg. The zygote and ovule form seeds, and the integument is the seed coat.

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Everything that drives the growth of plants comes from nature, and soil only provides the substrate for the growth of plants. Nutrients in the soil and carbon dioxide and sunlight in the air are the basis of plant growth.

The main factor affecting the growth period is heat. When the daily average temperature is above 5℃, it is beneficial to plant growth. Generally speaking, the higher the latitude, the shorter the growth period. In addition, the growth period can also be expressed on different plants, that is, the duration of plant growth in a year or a planting system. The growth period of different plants is not exactly the same.

The higher the latitude, the less heat, and the less chance to meet the growth conditions of plants. Compared with the growth period in the south, the growth period in the northeast is below 5℃, and the plants are not in the growth period at this time.