Figure 7From: The physico-chemical properties and biostimulative activities of humic substances regenerated from ligniteBiological activity - root growth increment boxplot. 1 – Control, 2 – AtonikPro, 3 – KHA, 4 – KHA10N, 5 – KHA20N, 6 – KHA30N, 7 – KHA40N, 8 – KHA50N, 9 – KHA65N, 10 – KHA5P, 11 – KHA10P, 12 – KHA20P, 13 – KHA30P, 14 – KHA10N + AtonikPro, 15 – KHA30P + AtonikPro.Back to article page