deletions | additions       diff --git a/unit conversions.md b/unit conversions.md  index 380c5f0..3fad33a 100644  --- a/unit conversions.md  +++ b/unit conversions.md 
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| mol m\(^{-2}\) s\(^{-1}\) | mmol m\(^{-2}\) s\(^{-1}\) | \(Y = X/10^6\) | |  | mol m\(^{-2}\) s\(^{-1}\) | \(\mu\) mol cm\(^{-2}\) s\(^{-1}\) | \(Y = X/ 10^5\) | |  | mm s\(^{-2}\) | mmol m\(^{-3}\) s\(^{-1}\) | \(Y=X/41\) | Korner et al. [1988] |  | mg CO\(_2\) g\(^{-1}\) h\(^{-1}\) | \(\mu\) mol kg\(^{-1}\) s\(^{-1}\) | \(Y = X\times 6.31\) | used for root_respiration_rate root\_respiration\_rate  | | \(\mu\) mol | mol | \(Y= X\times 10^6\) | |  | julian day (1--365) | date | | see ref: http://disc.gsfc.nasa.gov/julian_calendar.shtml (NASA Julian Calendar)  | spacing (m) | density (plants m\(^{2}\)) | \(Y=\frac{1}{\textrm{row spacing}\times\textrm{plant spacing}}\) | |