Treatments      Growth_rates    pg_C_per_um_filament  
+Fe 380-1       0.2510857752    nd                    
+Fe 380-2       0.2891117617    nd                    
+Fe 380-3       0.2652860726    nd                    
+Fe 750-1       0.2928369604    nd                    
+Fe 750-2       0.3084754033    nd                    
+Fe 750-3       0.3039401462    nd                    
-Fe 380-1       0.0869972229    nd                    
-Fe 380-2       0.0785200622    nd                    
-Fe 380-3       0.1073273301    nd                    
-Fe 750-1       0.1021715553    nd                    
-Fe 750-2       0.0741131393    nd                    
-Fe 750-3       0.1072410383    nd                    
-P 380-1        0.1442374933    nd                    
-P 380-2        0.1261211125    nd                    
-P 380-3        0.1286090736    nd                    
-P 750-1        0.1577029185    nd                    
-P 750-2        0.1633327644    nd                    
-P 750-3        0.1551032634    nd                    
-P -Fe 380-1    0.1936853596    nd                    
-P -Fe 380-2    0.1989620978    nd                    
-P -Fe 380-3    0.1810913106    nd                    
-P -Fe 750-1    0.2055077644    nd                    
-P -Fe 750-2    0.1896932214    nd                    
-P -Fe 750-3    0.1879558613    nd                    
+Fe +P 380-1    nd              23.1263847414         
+Fe +P 380-2    nd              16.068419112          
+Fe +P 380-3    nd              14.5327096998         
+Fe +P 750-1    nd              18.0271531845         
+Fe +P 750-2    nd              14.4664622688         
+Fe +P 750-3    nd              13.6596386484         
-Fe +P 380-1    nd              14.2843682447         
-Fe +P 380-2    nd              14.7631136188         
-Fe +P 380-3    nd              16.437043387          
-Fe +P 750-1    nd              13.9551746887         
-Fe +P 750-2    nd              18.9421911272         
-Fe +P 750-3    nd              20.8964809206         
+Fe -P 380-1    nd              15.0091899852         
+Fe -P 380-2    nd              20.8207517755         
+Fe -P 380-3    nd              16.6260713719         
+Fe -P 750-1    nd              23.3387917617         
+Fe -P 750-2    nd              15.0314965891         
+Fe -P 750-3    nd              16.6883425109         
-Fe -P 380-1    nd              11.917640002          
-Fe -P 380-2    nd              11.5291652453         
-Fe -P 380-3    nd              13.5910073716         
-Fe -P 750-1    nd              12.1726268957         
-Fe -P 750-2    nd              12.7865275388         
-Fe -P 750-3    nd              14.1408651719