The invention relates to a method for introducing manure into the ground (17), particularly into the ground of meadowland and farmland (3), wherein a manure slit member (15) is inserted into the ground (17), a manure slit (21) is formed in the ground (17) by displacing along the ground surface (19) the manure slit member (15) inserted in the ground, and manure is introduced into the manure slit (21). In addition, the method according to the invention particularly comprises of measuring the manure slit (21) depth during displacement along the ground surface (19) of the manure slit member (15) inserted in the ground (17). The invention also relates to an implement and a system for performing the method according to the invention.