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THE NEED OF COMMERCIAL FERTILIZERS

Fertilizer Tests
Loss Of Plant-food
Phosphoric-acid Requirements
Physical Analysis
Potatoes And Crimson Clover
Prejudice Against Commercial Fertilizers
Soil Analysis
The Need Of Potash
The Use Of Nitrogen

More from THE NEED OF COMMERCIAL FERTILIZERS

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



The Need Of Potash








Land which is deficient in organic matter
ordinarily is lacking in available potash, and responds with profit to
applications, provided the nitrogen and phosphoric-acid requirements
have been met. Clay soils contain far more potash than sandy soils, and
in a farming scheme for them that permits the use of manure and clover,
it may not become necessary to buy much potash. The liberal use of
straw in the stables, and the saving of all the liquid manure, are
helps. Farms from which the hay and straw have been sold for a long
period of time develop an urgent need of potash. Much muck land is very
deficient in this constituent.





Next: Fertilizer Tests

Previous: Phosphoric-acid Requirements



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