CHE REFERENCE LIBRARY - ZetaTalk

54 THE NURSERY-MANUALtrough. By varyingthe depth of the kooveand the width of theshoulder on the adjoiningside the board canbe made to sow anyquantity desired. Oneof the outer edges ofthe board is beveledfar back on the underFIG. 36. Overhead protection, with a slat cover. side so as to offer noobstruction when theseed is dipped. Two men operate it, one at each side of the bed. Theboard is dipped with a swinging motion into the trough and then loweredand held close over the drill to be seeded; the hinges are bent upward, andthe seeds fall into the drill.FIG. 37. A form of low shading. The beds on the right are covered with burlap,those on the left protected by slat screen. Windbreaks are provided.FIG. 38.Nursery beds covered for the winter.