Excerpt from Irrigation and Drainage: Principles and Practice of Their Cultural Phases

Most works on irrigation have been written from the legal or sociological standpoint, or from that of the engineer, rather than from the cultural phases of the subject. The effort is made here to present in a broad yet specific way the fundamental principles which underlie the methods of culture by irrigation and drainage. Distinctively engineering principles and problems, as such, have been avoided, and so have those of plant husbandry. The aim has been to deal with those relations of water to soils and to plants which must be grasped in order to permit a rational practice of applying, removing or conserving soil moisture in crop production.

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