Abstract: An apparatus and method for preparing sites for planting tree seedlings, and more particularly establishing mounds on the ground surface formed of soil scooped from the ground. The apparatus may be of the pull type having a pair of scoops and scoop operators for moving the scoop through a ground penetrating and mound depositing cycle. A control times the cycling of the operations so that the mounds formed during a constant movement in the forward direction are arranged in two lines and wherein the mounds in the two lines may be in a staggered relationship. The apparatus has rear wheels and a front towbar. Actuators are provided for moving the wheels up or down relating to the frame and also moving the towbar so that the height, as well as the fore and aft tilt, of the frame relative to the ground can be varied to control the depth of penetration of the scoops. The wheels also have actuators which allows adjustment of the tread of the wheels.

Abstract: Method and apparatus for forming spot mounds used in assisting the germination and growth of tree seedlings in reforestation. A crawler moves forwardly while a digging blade connected to a frame is lowered into the soil in order to overturn the soil and form a mound. After the digging blade is lowered into the ground, the digging blade rotates so as to better form and thereafter pass the formed mound without interference.

Abstract: An array of several like dimensionally stable readily manufactured diking apparatuses each of which operates in a furrow automatically produces a series of dams of uniform size at regular intervals of travel by repeatedly alternating positions one of a pair of sets of (a) a forwardly disposed digging and earth gathering element and (b) a rearwardly disposed slanted support shoe that is narrower than the earth gathering element forwardly thereof, the support shoe also providing a grading action on the furrow and automatically aligning the earth gathering element.

Abstract: A dammer having three legs with a foot on the end of each leg is towed behind agricultural cultivating implements. Each foot slides flat against the earth until the weight of the soil causes the dammer to rotate, at which time the dammer rotates one-third of a revolution dumping one dam and continuing to form another.