Fertilizer nutrient dissolves out rate survey device

The utility model relates to a fertilizer nutrient dissolves out rate survey device, its characterized in that: it includes a fixed bolster, and detachable sets up a plurality of eluviation posts on the fixed bolster, the eluviation post includes a fixed pipe of being connected with the fixed bolster, and the lower extreme and the one end that an eluviation managed of fixed pipe are connected, the other end of eluviation pipe and a main aspects fastening connection that drenches the exit tube that is hourglass hopper -shaped, be provided with a waffle slab that is used for placing soil and fertilizer formula thing in drenching the exit tube. The utility model discloses an eluviation post is because the connection can be dismantled to each part, and is comparatively convenient when consequently packing the sample and rinsing the eluviation post. The utility model discloses a consequently the fixed bolster can carry out the experiment of batch sample survey owing to be provided with the fixed station and be provided with the fixed orifices on the fixed station, improves test efficiency.