Manure Lagoon This lagoon allows you to store large amounts of liquid manure near your farm. Designed for efficient nutrient management, it can be filled directly from your cow barns. You can then use the Valmetal Maxx-10 to pump the liquid into the Valmetal Maxx-Trac and spread it across your fields — improving soil fertility and boosting your farm’s productivity. Price: $65,000 Capacity: 5,000,000 liters