Show Substitutes for Liquid Sulphur Lime Not Good Horticulturists and who are obliged to fight fig the San an Jose again will find it to their advantage tc min stick to the liquid sulphur lime or eral oil oU sprays which they have use useIn usein used In the past rather than to depend up upon upon substitutes That ThatIs ThatIs' on the use of ot dry the Is Is' the conclusion reached by United States Department of ot ture after aCter three years of ot trials of ot a n number of dry sulphur lime-sulphur sub substitutes now offered commercially While the value of these dry substitutes which have been on the market for a anum number num- num is disputed point the her ber of ot a year years departments department's tests found them when compared with the liquid lime The departments department's experiments Include in in- elude clude 39 tests with dry calcium sul tests with dry sulphur sodium 13 barium barIum sulphur dry with and 11 tests t l t were I Th They y different conditions In four different orchard a period of ot three an and cover sta states es Both apple and peach trees tree years varied from froma troma conditions used and were Infestation to incrustation moderate a the different orchards in Conditions of Sere such that the natural Increase The were the scale sciO varied from rapid to model ate showed that the com com- rhese tests samples of 01 dry calcium when sulphurs even barium urn um and much greater than thun strengths used at ordinarilY employed do not furnIsh a aI control ot of tile tho San JoSt I scale |