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. 



III. Field Exercise No. 3. 



^.—PREPARATION OF THE SOIL. 



I. Drainage. 



Experiments ii and 12. 



II. Irrigation. 



ExPERIMENr 13. 



III. Preparation of Seed-bed. 



1. Ploiving. 



2. Surface Tillage. 



Experiment 14. 



C— REFERENCES. 



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