“…This book offers effective methods of regulating soil pH for sustainable crop production by decreasing soil contaminants, balancing soil pH, improving nutrient uptake, and increasing crop yields. …”

Tabla de Contenidos: “…Conté les Elegies I, II, III, V, VIII i IX (Llibre I); VII, VIII i X (Llibre III); II i VI (Llibre IV); "Ex libro primo de Ponto: Epistola II ad Maximum, Epistola VIII ad Severum, Epistola IX ad Maximum" (p. 41-50). Inclou un breu argument al davant de cadescuna…”
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