TY - JOUR
AU - Berg, Marvin A.
AB - Published March, 1957 Notes cylinder to 40-50 R.P.M. The ]eft-hand end of the shaft, A POWER-DRIVEN SEED METERING on which . the cylinder is mounted, has a switch which DEVICP allows the cylinder to turn one revolution and stop. When DEVICE for rapid and accurate measuring and pack­ another envelope is placed under the spout, a door bell eting of seed to be sown in replicated yield nurseries switch is then touched and may be immediately released, has long been needed. In the past, equal amounts of seeds thus activating the cylinder for one more complete revo­ have been determined by weight or by hand filling a con­ lution. tainer to a constant volume. The seed is then transferred The entire device is on a hinge so that when all of one to a standard envelope. To speed this work, a machine was variety has been packeted the machine can be tipped for­ constructed to measure and package equal amounts of seed. ward to permit emptying the remaining grain in the hopper The machine consists of a seed hopper, a cylinder with into a sack. There is no place for grain to lodge and thus a variable sized seed 
TI - A Power‐Driven Seed Metering Device
JF - Agronomy Journal
DO - 10.2134/agronj1957.00021962004900030015x
DA - 1957-03-01
UR - https://www.deepdyve.com/lp/wiley/a-power-driven-seed-metering-device-JkmKj4nPWm
SP - 165
EP - 166
VL - 49
IS - 3
DP - DeepDyve
ER -