Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles

CHAPTER VII.

Chapter 792 wordsPublic domain

DIRECTION, DISTANCE AND DEPTH OF DRAINS.

DIRECTION OF DRAINS.--Whence comes the Water?--Inclination of Strata.--Drains across the Slope let Water out as well as Receive it.--Defence against Water from Higher Land.--Open Ditches.--Headers.--Silt-basins.

DISTANCE OF DRAINS.--Depends on Soil, Depth, Climate, Prices, System.--Conclusions as to Distance.

DEPTH OF DRAINS.--Greatly Increases Cost.--Shallow Drains first tried in England.--10,000 Miles of Shallow Drains laid in Scotland by way of Education.--Drains must be below Subsoil plow, and Frost.--Effect of Frost on Tiles and Aqueducts.