150 COBN CROPS 



test is to apply lime experimentally and note results for at 

 least two years. 



References on fertilizers : — 



VooHHEEs, E. B. (1898.) Fertilizers. 



Lyon and Fippin. (1909.) Soils, pp. 267-386. 



Bailey, L. H. (1911.) The Farm and Garden Rule Book, 

 pp. 40-91. 



Hopkins, C. G. (1910.) Soil Fertility and Permanent Agri- 

 culture. 



Ohio Agr. Exp. Sta., Bui. 141 ; Giro. 104. 



Maine Agr. Exp. Sta., Bui. 107. 



Vt. Agr. Exp. Sta., Bui. 116; Giro. 7. 



References on hme : — 

 Agriculture Lime. Gonn. (Hatch) Agr. Exp. Sta., Bui. 163. 

 Lime and Liming. R. I. Agr. Exp. Sta., Bui. 46: 

 Ghemical Methods of Ascertaining Lime Requirements of Soils. 



R. I. Agr. Exp. Sta., Bui. 62. 

 Liming x^cid Soils. U. S. Dept. Agr., Farmers' Bui. 133. 

 Liming the Soil. Ohio Agr. Exp. Sta., Bui. 1.59. 

 Garriers of Lime. Ohio Agr. Exp. Sta., Giro. 123. 

 The Rational Use of Lime. Mass. Agr. Exp. Sta., Bui. 137. 

 Increasing the Yield of Gorn. Tenn. Agr. Exp. Sta. Bui., 



Vol. XVII, No. 2, p. 46. 

 The Use of Lime upon Pennsylvania Soils. Penn. Dept. of 



Agr., Bui. 61. 1900. 



