I am gathering data from papers and some authors present the availability of nutrients as kg/ha and others as mg/L. Would that be possible to convert mg/L to kg/ha once L is volume and ha is area?
PS.: It is not that common to find the length and width of the ponds, but they always present m2 or ha and depth.
Nutrient present as kg/ha = 2 x nutrient present as mg/L soil. https://www.palintest.com/content-hub/methods-of-expressing-soil-test-results/
Check https://onlineconversion.vbulletin.net/forum/main-forums/convert-and-calculate/4663-converting-mg-l-into-kg-ha
Hi Dr Ana Paula Dalbem Barbosa . Yes . One Kg contains 106mg. Using these relationships the conversion factor is calculated. Nutrient present as kg/ha = 2 x nutrient present as mg/L soil. See the link: https://www.palintest.com/content-hub/methods-of-expressing-soil-test-results/
See the following link : https://onlineconversion.vbulletin.net/forum/main-forums/convert-and-calculate/4663-converting-mg-l-into-kg-ha
https://ascelibrary.org/doi/pdf/10.1061/9780784411698.apa
Good luck.
You need to choose for yourself which unit you see is appropriate. Most people use Kg/ha.
1mg/L = 0.001g/L
1 M3 = 1000 L
1 ha = 10,000m2 * 1m height = 10000m3 = 10000*1000=10000000 L
0.001 * 10000000 = 10000g = 10 kg
= 10 kg/Ha
Obviously!
Common method is here:
Nutrient present as kg/ha = 2 x nutrient present as mg/L soil.
Nutrient present as mg/kg = Nutrient present as mg/L
Soil Bulk Density as kg/L
Here is methods and details:
https://www.palintest.com/content-hub/methods-of-expressing-soil-test-results/
And here is a site, has some good example amd process, please check:
https://onlineconversion.vbulletin.net/forum/main-forums/convert-and-calculate/4663-converting-mg-l-into-kg-ha
Christina L. Thank you for your answer!!! I forgot to mention in my question that the nutrient was in the water, so your answer was the most suitable for my data due to the ponds' depth.
You can consider the depth as 1 metre and calculate the volume for the one hectare area. The Kg/ha can be converted then to mg/L.
I built two conversion tables to make it easier.
In the first table, you will be able to convert kg/ha to mg/L
In the second, you will be able to convert µM to mg/L
I hope that helps! Improvements and corrections are very welcome!
Just a reminder that I built this table to convert nutrients in aquatic systems, so volume is an important variable that I forgot to include in my question.
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