Manuring is the addition of nutrients to the soil. In arable farming, this was done by adding organic and inorganic substances, and by so-called green manuring (Leguminosae). Meadows received nutrients primarily through irrigation.
Farmyard manure was obtained by mixing animal feces with strewing materials, such as straw, leaves, conifer needles, and twigs. It contains all the nutrients required for the cultivation of grain and enriches the soil humus. D…