The deeper the love, the deeper the hurt.-also talk about fertilization.

Carry forward the national orchid culture and spread the knowledge of orchids

Many orchid friends always attach great importance to fertilization, almost every day is thinking about fertilizing orchids. In fact, fertilization should be controlled, there is no reasonable fertilization, it will only bring harm to orchids, resulting in the consequences of seedling uprooting.

Orchids are not fertilizer-loving plants, and they need limited fertilizer. Moreover, orchids need certain conditions to absorb fertilizer, and they can't absorb fertilizer all the time. Let me talk about some of the necessary conditions for fertilization in my opinion:

one。 Appropriate temperature: in general, the more recognized temperature is 15 degrees before it can be absorbed, and it is the best time to apply fertilizer in the range of 15 to 25 degrees. In practice, I personally feel that the temperature should be stable at 15 degrees. The peak of fertilizer absorption should be between 20 and 30 degrees, in which orchids grow fastest and absorb more fertilizer. Exceed this temperature, fertilize too much, easy to cause overgrowth phenomenon. When applying fertilizer below 15 degrees, the orchid root system is simply soaked in fat and water, which absorbs very little and does no good at all. what often happens is that the crystal tip turns black and rotten.

two。 Enough light: no light, no photosynthesis, insufficient light, weak photosynthesis. In this case, the absorption is slow and the absorbed fertilizer cannot be converted, just like we accumulate food. Therefore, fertilization also needs light cooperation, encounter plum rain season, blindly fertilization, stem rot. Soft rot comes one after another. This is also the consequence of blindly fattening. The cloudy and rainy weather on our side for more than a month this year, with little sunshine, can be illustrated by the examples of many kinds of maintainers causing varying degrees of losses in this regard. The reason is that we are used to using long-acting fertilizer, and during the rainy season, there is much moisture, and the temperature is also suitable for the release of long-lasting fertilizer, and because there is no sunlight, the fertilizer can not be absorbed, resulting in such consequences. Therefore, in the rainy season, when there is sunshine, it is better to apply quick-acting water and fertilizer.

three。 Strong seedlings: people who raised orchids in the past put forward: fat orchids should not be thin for a long time, thin orchids should not be suddenly fat. That is to say, strong seedlings should keep up with fertilization, while for thin orchid seedlings, fertilization should be light, that is, thin fertilizer should be applied frequently, step by step.

four。 Complete root system: orchids soon after potting are eager to fertilize, which is very disadvantageous to the growth of orchids. Because the root system of the orchid has not been fully restored, the old root tip can not be absorbed and the new root tip has not yet grown. Books in the past used to emphasize that it takes three months to start fertilizing, which is conservative, but not without reason. It is observed that under very suitable conditions, the new root will take 20 days to grow as soon as possible. However, in reality, how many of the cultivation conditions of enthusiasts can meet those conditions? Of course, under the current prevailing soilless cultivation conditions, it is possible to properly apply some magic fertilizer when turning the basin.

Five: adequate water supply: the absorption of fertilizer needs the assistance of water. Without enough water supply, after fertilizing, water evaporates, fertilizer concentration increases, and root burning is inevitable.

The above points do not include extra-root topdressing, which I think is only applicable to old people. Weak. A seedling with a poor root system is like a person taking an intravenous drip to supplement nutrition. Strong grass does not need extra-root topdressing, excessive extra-root topdressing will cause root degradation. Moreover, if the concentration of extra-root topdressing is not well mastered, it is easy to cause new bud injury and can not be recovered. Permanent white fat scar.

Orchids, you are a good teacher on the way to raise orchids.