Show Propagating Plants by U Use se of Cuttings Frame Fiame Which Uses Sunlight as ars as Source of Heat Is Good Prepared by the United States Department of ot Agriculture The propagation atlon of plants b by tho the use of cuttings Is ne ie of the time oldest methods known and until recently It was considered necessary for the Ole best results that the time rooting work worl should be carried on In a well-equipped well greenhouse using steam coils colls to supply supply sup sup- pl ply bottom heat The luck lack of ot such equipment t lu how however Yer and the expense of ot providing It have been serious objections objections ob ob- to un any widespread use of Ye vegetative propagation ion except with plants easily rooted out of doors This has hns been overcome to a considerable extent b by the time development by the time United States Department of Agriculture ture of or a 11 propagating frame frume which uses sunlight as a source of ot hOtt bottom heat It has hns been found to give excellent excellent excel excel- lent results with the time plants experimented experimented with Including most of the time standard citrus root stocks as well as the newer h hybrids Time The method and the experimental results are ure described In Department Circular The Time Solar Propagating Frame Frume for Rooting Hooting Citrus and Other Subtropical Plants just Issued The construction of the time frame is simple and the tIme method Is economical and offers considerable promise profuse for other groups of plants especially of subtropical sub Sill tropical character The Time use of the time solar rooting frame Is obviously best adapted to the warmer portions of time the country having a u relatively large amount of sunshine A copy of the time circular may be secured secured se se- se- se cured as lon long as the supply lasts from the time United States Department of ot Agriculture Washington |