Fig. 7From: Nanosilica enhances morphogenic and chemical parameters of Megathyrsus maximus grass under conditions of phosphorus deficiency and excess stress in different soilsPlant phenotype and visual aspects of the leaf blades of M. maximus cv. Zuri grown under conditions of phosphorus deficiency, sufficiency, and toxicity, combined with the absence (-Si) or presence of Si nanoparticles (+ Si, 1.5 mmol L− 1) in Oxisol (a, c) and Entisol (b, d) at the end of the fifth regrowth cycleBack to article page