Fig. 1.

Nutritional profiles of tested plant refuse based on multiple chemical analyses: A, Major contents of carbohydrates, proteins, fiber, and ash; B, C/N ratio; C, contents of macro- and micro-nutrients (ppm g⁻¹ dehydrated powder); D, total and individual amino acids contents (mg g⁻¹ dehydrated powder); E, remaining measured chemical parameters of dehydrated powders prepared for tested plants (Trifolium alexandrinum, Paspalum vaginatum, and Opuntia ficus-indica) and used for the preparation of plant-only-based culture media.