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Fig. 3 | Chemical and Biological Technologies in Agriculture

Fig. 3

From: Biological and synthetic approaches to inhibiting nitrification in non-tilled Mediterranean soils

Fig. 3

Determination of δ15N (a) and nitrogen content (b) in sorghum leaves. Control = sorghum without fertilization; AS = sorghum fertilized with ammonium sulfate; AS + D = sorghum fertilized with ammonium sulfate + DMPP. Different letters indicate significant differences using the Duncan test (p < 0.05; n = 4)

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