This deck is a trick deck wherein the backs of the cards used have a thick, non-slick surface. The cards are placed back to back in certain pairs. There a few rules in determining these pairs: * 1) Each pair adds up to 13 (9 and 4; 6 and 7; qu... Read more of Invisible Deck at Card Trick.caInformational Site Network Informational


Length Of Cultivation
Mulches Of Foreign Material
Plowing Straw Down
The Land-roller
The Mulch
The Plank-drag
The Soil A Reservoir
The Summer-fallow
Value Of Water In The Soil


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

Value Of Water In The Soil

The amount of water in the soil each day
of the growing season determines in large measure the possibility of
securing a profitable crop from land. Observant farmers have noticed
oftentimes that the differences in yields on the farms of a region are
less in a wholly favorable season than in one of deficient rainfall.
The skill of the farmer in conserving the moisture supply in a wet
season is less well repaid because it is less needed. The poverty of a
worn soil is less marked in a favorable season. The land is accounted
poor because the supply of plant-food is inadequate for a drouthy year
in which a considerable percentage of the time produces little growth,
but most agricultural land has enough plant-food for a fairly good crop
when water is present all the time to carry daily supplies into the
roots. It is the amount of moisture in the soil that is the limiting
factor in the case of most land that is not in a high state of

Next: The Soil A Reservoir

Previous: Length Of Cultivation

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