About the issue of planting techniques for flower cultivation - the闷养 method
Let me share some knowledge about home flower cultivation with you. Let's talk about the闷养 method in flower cultivation techniques and learn more about it together.
What is referred to as闷养 is a common term, which essentially means creating a greenhouse effect. Compared to the previously discussed issues of soil, watering, and sunlight,闷养 has a certain comprehensiveness and also its uniqueness, mainly reflected in creating a small greenhouse-like environment.
Why do we practice闷养? If you visit a greenhouse, you will know that the plants grown in greenhouses are so fresh and lively. What's the secret? To be honest, it's all about闷养. The reason why闷养 can make plants grow fresh and plump is simple: it creates a significant temperature difference.
Some friends, especially新手 in flower cultivation, may not fully understand the importance of temperature difference for plant growth, but I can make it clear with an example. We all know that (X-J) is famous for its melons, grapes, and tomatoes because they are very sweet, which is the result of temperature difference. However, the significant temperature difference in (X-J) is a gift from nature, and for our region in Jiangnan, we don't have this good fortune. But you can also notice that plants grow faster in spring and autumn, especially in spring. In fact, temperature difference plays a key role here. Due to the increase in temperature and temperature difference, plants grow rapidly.
So why does a significant temperature difference promote plant growth? The reason is not complicated. Life development relies on metabolism, which is reflected in two aspects: assimilation and dissimilation, which are interrelated and mutually restrictive. When assimilation is greater than dissimilation, the organism shows vigorous growth signs, and vice versa, indicating that the organism's growth is slowing down or even dying. For plants, this is shown in photosynthesis and respiration. Photosynthesis is assimilation, and respiration is dissimilation. During the day, with bright sunshine, green plants engage in photosynthesis to produce nutrients. Although respiration still exists at this time, the consumption is far less than the accumulation of photosynthesis. At night, photosynthesis stops, but respiration continues. However, due to the drop in temperature, respiration does not maintain high activity, and the overall consumption should be lower than the accumulation of photosynthesis during the day.
By now, I think you have understood why a significant temperature difference is beneficial for plant growth: it increases the accumulation of photosynthesis and reduces the consumption of respiration. This is also the reason why (X-J) melons are particularly sweet, as the significant drop in temperature at night allows most of the accumulation of photosynthesis during the day to be preserved.
Of course, the function of a greenhouse goes far beyond this, but significant temperature difference is the most important aspect. Therefore, for home cultivation of flowers, those with conditions can consider building a small greenhouse, and those without conditions can create a simple "greenhouse" by enclosing a space with plastic film on a flower shelf, or even using a sunlight board. For those with no conditions, for small flowers like cacti, a cola can can be used as a cover. However, it should be noted that the smaller the greenhouse space, the higher the local temperature may rise, potentially damaging the plants, as if they were steamed. The solution is to retain ventilation holes and to give the plants a chance to acclimate, gradually.
With these facilities, growing flowers can be more effective with less effort. By covering the film in the morning to raise the temperature and opening it at night to lower the temperature, maintaining a temperature difference of over 20 degrees, the plants will grow happily. Of course, everything has pros and cons. The flowers grown in greenhouses, due to rapid growth, often have less robust tissue structure and are more susceptible to pests and diseases, which is less advantageous than plants grown using natural methods.
Finally, I need to remind everyone that for local flowers and those that grow relatively fast, there is no need to use the闷养 method, as they are already very fond of the existing environment and there's no need to add something unnecessary.
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