Application of gibberellins in citrus cultivation, PPM and usage multiple conversion
Application of gibberellins in citrus cultivation, PPM and usage multiple conversion
When artificial supplementation involves issues such as content and usage concentration, ppm is usually expressed. Mainly synthetic gibberellin, its content is different, some are 3%, some are 20%, and some are 75%. If these medicines are administered in multiples that are easy for everyone to understand, there will be problems. Either they are too concentrated or too dilute, and it will be useless.
we have a very simple method of converting ppm multiples.
For example, if you use 10ppm concentration of gibberellin to preserve fruit, the one you bought is 3%, and you need to use 10ppm concentration. It is 1 million multiplied by the content of 0.03, and then divided by 10, the concentration that needs to be spray is 3000 times, multiplied by 0.03, 0.03 is the content of 3%, and then divided by the concentration of 10ppm, the calculation here is 3000 times, 3000 is all The multiples required.
For another example, if you buy a water agent with a content of 4%, you need to apply 5ppm. Multiply 1 million by 0.04, and then divide the result by 5, which equals 8000. 8000 is the required multiple.