Fig. 2. Saturation curves of the semiquinone free radical signal by electron spin resonance (ESR) spectroscopy in the 20- to 53-, 2- to 20-, and <2-µm granulometric fractions of Maize + Cajanus cajan cropping system. (a.u. = arbitrary units.)
Fig. 2. Saturation curves of the semiquinone free radical signal by electron spin resonance (ESR) spectroscopy in the 20- to 53-, 2- to 20-, and <2-µm granulometric fractions of Maize + Cajanus cajan cropping system. (a.u. = arbitrary units.)