96 FUNDAMENTALS OF FRUIT PRODUCTION 



though directly due to (h'ought, frequently may be a result of too much 

 moisture, or a water table too high at some other season, resulting in a 

 restricted root system. Here again, protection lies more in preventive 

 than in remedial treatments. 



Suggested Collateral Readings 



1. Schimper, A. F. W. Plant Geography. (English Translation) Oxford, 1903. 



(Particularly pp. 159-173, 81-85.) 



2. Bowman, I. Forest Physiography. New York, 1914. (Chapter 3 on Water 



Supply of Soils; Relation to Plant Growth and Distribution, pp. 41-54.) 



3. Weaver, J. E. The Ecological Relations of Roots. Pub. 286 Carnegie Inst, of 



Washington. 1919. (Particularly pp. 27-28, 100-108, 121-127.) 



4. Hilgard, E. W., and Loughridge, R. H. Endurance of Drought in Soils of the 



Arid Region. Rept. Cal. Agr. Exp. Sta. for 1897-8. Pp. 40-64. 



5. Loughridge, R. H. Moisture in California Soils During the Dry Season of 1898. 



Rept. Cal. Agr. Exp. Sta. for 1897-8. Pp. 6.5-96. 



6. Mason, S. C. Drought Resistance of the Olive in the Southwestern States. 



U. S. D. A., Bur. PI. Ind. Bui. 192, pp. 9-33. 1911. 



7. Huntington, E., and others. The Climatic Factor as Illustrated in Arid America. 



Pub. Carnegie Inst, of Washington, pp. 101-174. 1914. 



8. Whitten, J. C. An Investigation in Transplanting. Mo. Agr. Exp. Sta. Res. 



Bui. 33. 1919. 



9. Bates, C. G. Windbreaks; Their Influence and Use. U. S. D. A., Forest Service 



Bui. 86. 1911. 



10. Gourley, J. H. Some Observations on the Growth of Apple Trees. N. H. 



Agr.Exp. Sta. Tech. Bui. 12. 1917. 



11. Green, W. J., and Ballou, F. H. Orchard Culture. Ohio Agr. Exp. Sta. Bui. 171. 



1906. 



12. Hedrick, U. P. A Comparison of Tillage and Sod Mulch in an Apple Orchard. 



N. Y. Agr. Exp. Sta. Bui. 314. 1909. 



13. Hedrick, U. P. Tillage and Sod Mulch in the Hitchings Orchard. N. Y. Agr. 



Exp. Sta. Bui. 375. 1914. 



14. Mix, A. J. Cork, Drouth Spot and Related Diseases of the Apple. N. Y. Agr. 



Exp. Sta. Bui. 426. 1916. 



15. Gladwin, F. E. A Non-parasitic Malady of the Vine. N. Y. Agr. Exp. Sta. 



Bui. 499. 1918. 



16. Briggs, L. J., and Shantz, H. L. The Water Requirement of Plants. A Review 



of Literature. U. S. D. A., Bur. PI. Ind. Bui. 285. 1913. 



Literature Cited 



1. Agr. Jour. India. 13: 150. 1918. 



2. Allen, R. W. Ore. Agr. Exp. Sta. Rept. of the Hood River Branch Exp. Sta. 



Pp. 20-24. 1914-15. 



3. Andre, G. Chimie agricole. 1:485. Paris, 1914. 



4. Atkins, W. R. G. Some Recent Researches in Plant Physiology. P. 201. 



London, 1916. 



5. Atkinson, G. F. Cornell Univ. Agr. Exp. Sta. Bui. 53. 1893. 



6. Babcock, S. M. Wise. Agr. Exp. Sta. Research Bui. 22. 1912. 



7. Bailey, L. H. Mich. Agr. Exp. Sta. Bui. 31. 1887. 



8. Ballantyne, A. B. Utah Agr. Exp. Sta. Bui. 143. 1916. 



