OUTLINE OF CHAPTER III. 



SOIL MOISTURE AND PREPARATION OF THE SOIL. 



^.-SOIL MOISTURE. 



I. Kinds of Moisture. 



1. Ground Water. 



2. Capillary Water 



3. Hygroscopic Water. 



EXPERIMENT 8 



II. Relation to Plants. 



1. Dissolves Plant-food. 



2. Conveys Plant-food. 



EXPERIMENT 9. 



3. Constitutes Plant-food. 



EXPERIMENT 10. 



4. Tends to Regulate Temperature. 



HI. Field Exercise No. 3. 



B. PREPARATION OF THE SOIL. 



I. Drainage. 



EXPERIMENTS 11 AND 12. 



II. Irrigation. 



EXPERIMENT 13. 



III. Preparation of Seed-bed. 



1. Plowing. 



2. Surface Tillage. 



EXPERIMENT 14. 



C. REFERENCES. 



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