Animal manure cellar-drop Controls the manure cellar-drop with a "water lock" that prevents animal manure gas and odour from coming up from the manure cellar.
Sealing of old manure-cellars To extend the life of an existing manure cellar, it can be sealed with a tarpaulin to prevent leaks
Collection flake for seed drill For the collection of seeds and fertilizers. Emptying the seed drill is not difficult, but collecting fertilizer and seed without spills can be a challenge.