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Counting The Cost
Cutting The Trenches
Depth Of Trenches
Establishing A Grade
Kind Of Tile
Locating Main And Branches
Material For The Drains
Permanency Desired
Size Of Tile
The Grade
The Laterals
The Modern Fallow
The Outlet

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A Bit Of Arithmetic
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A Few Combinations Are Safest
A Practical Test
A Southern Legume
A Three Years' Rotation
Acid Phosphate
Acquaintance With Terms
Adaptation To Eastern Needs
Affecting Physical Condition
All The Nitrogen From Clover
Alsike Clover
Amount Of Application
Amount Of Manure

Material For The Drains

Doubtless there are places and times when
stone, or boards, or brush should be used in construction of
underdrains, but they are relatively few in number. Such underdrains
lack permanency, as a rule, though some stone drains are effective for
a long time. If drain tile can be obtained at a reasonable price, it
should be used even in fields that have an abundance of stone. Its use
requires less labor than that of stone, and when properly laid on a
good bottom, it continues effective. There is no known limit to the
durability of a drain made of good tile.

Next: The Outlet

Previous: Where Returns Are Largest

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