Difference between slow-release fertilizer and controlled-release fertilizer
A little plant knowledge, introducing the related knowledge of flowering plant care, the difference between slow-release fertilizer and controlled-release fertilizer. Next, the site editor will introduce it to the netizens.
Flower friends have been seeking the best fertilizer, many flower friends ask about the difference between slow-release fertilizer and controlled-release fertilizer, OK! Let's compare the most concerned Ogreen and Aibesi. Ogreen is represented by Dahan Company, which clearly states controlled-release fertilizer on the package; Hongyue Company represents Aibesi, which clearly states slow-release fertilizer.
Controlled-release fertilizer VS Slow-release fertilizer; Ogreen fertilizer PK Aibesi
1) Release and efficacy:
The nutrient release speed of slow-release fertilizer and controlled-release fertilizer is slow, and the fertilizer effect is long. In this sense, there is no strict difference between slow-release fertilizer and controlled-release fertilizer. However, from the perspective of the mechanism and effect of controlling nutrient release rate, there are differences between slow-release fertilizer and controlled-release fertilizer. Slow-release fertilizer slows down the release rate of nutrients in the fertilizer through chemical and biological factors, and the release is affected by many external factors such as soil pH, microbial activity, soil moisture content, soil type, and irrigation water; while controlled-release fertilizer encapsulates water-soluble fertilizer in a film to make nutrients release slowly. When the film-covered fertilizer particles come into contact with moist soil, the soil moisture penetrates the film and dissolves part of the fertilizer inside, and this part of the water-soluble nutrients diffuses slowly and continuously outward through the micropores on the film. The higher the soil temperature (don't forget the temperature's effect on our roses), the faster the fertilizer dissolution rate and the speed of crossing the film, the thinner the film, the faster the penetration. (First round controlled-release fertilizer V5)
2) Types of nutrients:
There are also differences between the two. Most of the slow-release fertilizers are single fertilizers (Aibesi usually has multicolored particles), the main varieties are slow-release nitrogen fertilizers, also known as long-acting nitrogen fertilizers, with very low solubility in water. After applying to the soil, the fertilizer gradually decomposes under the action of chemical and biological factors, and the nitrogen is slowly released to meet the nitrogen demand of the crop throughout the growth period (it seems that Aibesi has been improved in 1989, most of the models on the market have added multiple elements, but still single particles for one element, mainly multicolored particles. Even in some models marked as controlled-release fertilizer, only affected by temperature and film, it still cannot achieve full nutrition, and does not concentrate multiple elements into a single particle. My personal understanding is that there is an imperfection in the production process, especially when applying, with various particles together, how can you determine whether it is more nitrogen or phosphorus? Are you really going to pick it with forceps?! What about color-blind or color-week flower friends?). While controlled-release fertilizers are mostly N-P-K compound fertilizers or full-nutrient fertilizers with trace elements, after being applied to the soil, their release rate is only affected by soil temperature. However, soil temperature also has a significant impact on plant growth rate. Within a certain temperature range, as soil temperature increases, the release rate of controlled-release fertilizer accelerates, and the plant growth rate and fertilizer demand also increase. (Second round controlled-release fertilizer V5)
3) The consistency between the release rate of nutrients and the nutrient demand of plants at different stages:
Slow-release fertilizers release nutrients unevenly, and the nutrient release rate may not be completely synchronized with the nutritional demand of the crop; while controlled-release fertilizers release nutrients at a rate that is more in line with the plant's nutrient demand, thus meeting the plant's nutrient requirements at different growth stages. (Third round controlled-release fertilizer V5)
4) Price and choice:
As for the price difference between online (Taobao) and physical stores (usually Ogreen is more expensive than Aibesi), I personally think it is a distribution issue (a bunch of businesses are self-packing, and only a few have the need and ability to buy the original large packaging). As for usage, let me put it this way! When not using liquid fertilizer + Aibesi (for roses), you will feel the single use of Ogreen is good, but liquid fertilizer + controlled-release fertilizer (or slow-release fertilizer) + organic fertilizer can still compare. Now it's common to have two fertilizers (controlled-release or slow-release + liquid fertilizer), more people have three fertilizers, and some even have four fertilizers. Hardcore fans not only use various imported fertilizers but also mix and match media with higher content of certain elements from the agricultural trade department, at the expense of imitating flower merchants using hormones to stimulate underaged seedlings (short and strong, explosive roots, explosive shoots, explosive pots). The divine level has reached the art of fertilizing, pruning with supernatural skills, cooperating with different seedling ages, not like the hardcore level, but following the habits and characteristics of roses, raising for multiple seasons for just one season. Elders and villagers may ask, what to see usually? There are no flowers. First, they don't just grow roses, second, the divine must be able to endure loneliness. Many nurseries do not use Aibesi or Ogreen, just compound fertilizer + organic fertilizer + hormones, currently compound fertilizer + monopotassium phosphate (mixed with hormones) is more, basically foliar spray + root irrigation (brothers and sisters, can you find the shadow of controlled-release or slow-release fertilizer in the blooming roses in the Spring Flower Market^_^). Domestic gardening techniques are not as mature as foreigners, and there is a lack of thought. Foreigners almost operate like idiots, and they don't hide anything, the businesses directly sell pre-mixed fertilizers or what fertilizers to use in different seasons, how to mix------which shows they are quite thorough. Getting off track! In summary, in the current domestic situation, whether it is businesses or flower friends, it is almost impossible to use only one fertilizer, so you can't blame it all on one fertilizer. Whether it's Ogreen or Aibesi! If it's the authentic product, you can choose the cheaper one^ ^. Unless you plant the flowers directly in the fertilizer or crush the fertilizer (you have to be gentle when mixing it into the soil), otherwise, controlled-release fertilizer or slow-release fertilizer will mostly be wasted, and the chance of fertilizer injury is almost zero. (Tie)
5) Comparison of application effects:
Personally, you can look at LA (Lei Ai) and LYD (Laoyuandin's new home) seedlings. The former uses Ogreen + Huaduo, etc., and the latter uses Aibesi + Plus, etc------it must be mentioned that Ogreen's update is relatively faster than Aibesi, as mentioned in the rose forum post "Ogreen Huaduo Huabao Bi Series Aibesi Meileke------", not elaborated.
Some flower friends don't use controlled-release fertilizer and slow-release fertilizer, choose some liquid fertilizers containing trace elements (TE) as watering, and use organic fertilizer as base fertilizer, which can also grow very well. These fertilizers on the market are increasingly close to the so-called fertilizer and water formulas of some old-fashioned nurseries, simple, non-polluting, and odorless, which is the trend. To grow a plant well, the environment is the most important (if the environment is too bad, even master level may give up gardening); second is the medium, for roses, there is no best, only better combinations, all kinds of divine combinations are everywhere, with Shuanghuilei's being the most. Third is fertilization (combination and application cycle and seasonal fertilizer selection); fourth is pruning------(leveling)
Summarizing the above: The speed of slow-release fertilizer (Beshi Ge) release, in addition to the influence of film thickness and soil temperature, there is a bunch (omitted 1Q words); controlled-release fertilizer (Aolun Mei), only affected by film thickness and soil temperature. In other words, controlled-release fertilizer is a higher version of slow-release fertilizer, more comprehensive and safer.
No doubt Ogreen wins!
This article shares the detailed content of the difference between slow-release fertilizer and controlled-release fertilizer (flower friend analysis), hoping to help you!