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An Excess Of Nitrogen
Controlling Root-growth
Cultivation Of Plants
Desirable Physical Condition Of The Soil
Elimination Of Competition
Method Of Plowing
The Breaking-plow
The Disk Harrow
Time Of Plowing
Types Of Plows

More from TILLAGE

Crops And Methods For Soil Improvement

A Bit Of Arithmetic
A Clean Seed-bed
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

Desirable Physical Condition Of The Soil

Successful cropping of land
is dependent upon favoring soil conditions. The plants to be grown must
have ease in root extension, so that their food may be found. There
must be moisture to hold the food in solution. There must be air. There
must be destruction of plants that would be competitors of the ones
desired. A soil rarely is in prime condition for the planting and
growth of any crop without some change in its structure by means of
tillage, and it does not remain in the best condition for any long
period of time. If the number of plants required per acre for a crop is
relatively small, tillage of the soil is continued after planting. If
the necessary number makes tillage impossible, there is some loss in
conditions most favorable to the plant. The particles of soil settle
together, and there is loss of water at the surface. Most plants want a
mellow soil, and tillage is in large part an effort to make and to keep
the condition of the soil friendly to plant life in this respect. The
wide variation in methods of tillage are due to the great differences
in the texture and structure of soils, and to the habits of plants, and
skill in selection of methods is a measure of the intelligence used in

Next: The Breaking-plow

Previous: An Excess Of Nitrogen

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