Everyone knows that if succulents need good color, the necessary conditions are sun exposure, temperature difference, and water control. Temperature difference, water control, in fact, we are actually very easy through manual intervention, the sun is basically not good, it depends on God to give no face! In the southern rainy season, the northern smog, cloudy, air pollution, housing orientation, there are too many reasons for affecting the light! Not everyone has a terrace, has its own terrace roof, a large south-facing balcony, a large yard, and a private garden. Therefore, the succulent fill light has become a choice for some people. One thing to note: artificial The effect of the intervention is not to catch up with the true nature of the sun! But someone really needs it!
Therefore, I want to raise the meat, the meat is excellent, the planting environment, the light is not strong, the only way: fill the light!
In fact, there are a lot of materials on the Internet for plant supplementation. There are also many people who practice, some say it is effective, and some say it is completely ineffective. What is the real situation?

Succulents fill light myth 1: light intensity ≠ light time <br> Many people have bought a variety of so-called plant growth lights online, after using it said that there is no effect at all, it is said that the plant growth lamp is completely ineffective. What is the real situation?
Taking the aquarium as an example, the light required for raising seawater organisms actually has stricter standards. Usually, 1L water is required for 1W illumination. This 1W is actually not a very scientific statement. In fact, it should be in accordance with lumens, such as LEDs in most cases. Under the same wattage, the illuminance will be about 1.5 times that of the halogen and the three primary colors. For the convenience of description, let's say the wattage. In the experience of raising seawater organisms, if this standard is not met, half of the illumination is not equal to half of the effect. Basically, it can be said: no effect! Therefore, the so-called plant growth lights on the Internet, you take a closer look, found that many are 5050 SMD LED (shopping jewelry cabinet decorative light bar), single lamp beads are not even 1W! It looks like a huge piece of light-emitting area of ​​the lamp, which looks glaring. In fact, the power is usually only 1~3W! It is conceivable that the effect is limited.
In fact, many students who have experienced many years of experience know that the direct high-intensity sun exposure of just a few hours a day is far more than the scattered sunlight of more than 10 hours a day! Therefore, if you want to fill light, the power is definitely an important factor to consider!

Succulents make up myth 2: What kind of lamp to choose

This problem is a bit more complicated. Look at the picture first.

The picture shows the entire visible spectrum (daylight). It can be seen that the band that promotes plant growth is mainly biased to red and blue, which is the area covered by the green lines in the figure. This is why the so-called LED plant growth lamps bought on the Internet use red and blue lamp beads.
The ratio of red and blue, 7:1 7:2 7:3 is actually OK, there are detailed studies abroad, each of the meat needs are slightly different, but the approximate proportion is similar. This can be done without too much entanglement.
Why do many people claim that this red and blue plant growth lamp bought online is invalid? The reason is actually very simple: power is not enough! See the first article!
The red and blue plant growth lights are effective, provided that they are powered enough! How much power does it need? To tell the truth, I don't know, meaty players rarely study these data seriously. Refer to the standard calculation of aquaculture seawater. 6cm2 corresponds to 1W (specific data according to seawater ATS algae screen lighting standard, such power LED illumination algae cylinder low The algae grows well. The area of ​​the rice frame is one meter square. The 20W LED light with red and blue is enough.
One meter square, 20W with red and blue LED lights, this is the most conservative estimate based on marine farming experience.
Plant growth lights are invalid? Not enough power! Plant growth lights will make you more meaty? Not enough power!

Succulents make up the myth 3: Can lights like fluorescent lamps be used?
To discuss this, we must first clarify some basic common sense. Usually we use fluorescent lamps, tri-color energy-saving lamps, and halogen lamps (gold halides). These colors look like white and yellow lights. They can all be called full-chromat lamps. In the above picture, it is all visible light! It contains red, blue bands for plant growth. The so-called warm light refers to the light source of 6500K or lower than 6500K or even 2700K color temperature. This kind of light source contains more red bands, so it looks yellowish, 2700K color temperature lamp, which is also commonly used in our seawater algae tank. The reason is to effectively promote the growth of green seaweed plants, the reason is very simple, the red band of light is more!
There are also some blue-looking lights, like some 14000K halogen lamps. The light emitted by such lamps contains more blue light, which is more suitable for the growth of corals and other sea creatures. So we raise seawater tanks. Master cylinder lighting usually looks blue and dreamlike like the bottom of the sea.
Having said so much sea water, I really want to let everyone know what the visible light is! Therefore: fluorescent lamps, three primary color energy-saving lamps, halogen lamps can be used, of course, the need to try to have a low color temperature looks yellow and yellow is more effective! The most important thing is: the power must be enough!

Succulents make up myth 4: Is LED easy to use?
Of course, it's easy to use! We don't recommend it in the selection of cultured seawater, especially seawater master cylinder lamps. After all, LEDs are not full-spectrum lamps. There are still some uncertain factors for corals. Corals grow very special, and they also have both animals and plants. A variety of characteristics, can prey on photosynthesis. However, the LED red-blue light is still very effective for plant growth, and it is widely used in seawater gamers' algae tanks, and is also widely used in some plant research institutes.
LED has power saving, unit power illumination exceeds traditional lamps, no heat consumption, and the shape design can make ultra-thin, especially suitable for DIY. Should be the first choice for meaty players.

PS: A small knowledge of different wavelengths of light Different wavelengths of light have different effects on plant photosynthesis. The light required for plant photosynthesis has a wavelength of about 400 ~ 720nm.
Light from 400 to 520 nm (blue) and 610 to 720 nm (red) contribute the most to photosynthesis.
Light from 520 to 610 nm (green) is absorbed by plant pigments at a very low rate. According to the above principle, the plant lights are made into a combination of red and blue to provide red and blue wavelengths of light, covering the wavelength range required for photosynthesis. In terms of visual effects, the red and blue combination of plant lights is pink.
In the white LED lamp, the energy distribution has two peaks in the blue region of 445 nm and the yellow-green region of 550 nm. The 610 ~ 720nm red light required by plants is very scarce. This explains why plant growth is not good under white LED illumination.
In one is UVA, the spectrum: 395-400NM (can see the anti-counterfeiting on the renminbi).
Uva is abundant in the atmosphere, 98% will pass through the ozone layer to reach the bottom surface, which is the necessary light for humans and plants. It can increase the resistance of animals and plants. It is widely used in the artificial sunbeds that Europeans and Americans like (there seems to be in the presence of death) and in domestic machines for treating skin diseases.
Used on plant lamps, the main purpose is to: harden the plant shell, increase the resistance, dwarf some plants, and cause some plants to change color.

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