Surprisingly, zinc (Zn) was significantly higher in aquaponic tissue. The weights of the tissue elements in Table 6 are summed. Oxygen and hydrogen are not included in the summation value which have been reported in plant tissue to be 45% for oxygen and 6% for hydrogen [16]. Adding this ...
0.02 - - - - - - 1 H5 is the average of three tubs; H7 is a single tub-single sample; and A7 is a single sample from the rapidly exchanging tubs; 2 TAN = Total Ammonia Nitrogen; 3 A7 had 2mg/L chelated iron added for each new trial; Horticulturae 2017, 3, 43 8 of 19 2.5...