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American Potato Journal

, Volume 18, Issue 1, pp 19–26 | Cite as

The influence of a3-year rotation and fertilizer treatments on the organic carbon of soils

  • William H. Coates
Article

Summary

The effects of a 3-year rotation and fertilizer treatments on the organic carbon of soils have been presented. The rotations consisted of potatoes, oats and clover. Basic fertilizer treatment was a one-ton per acre application of 4-8-7. Ohter treatments included variations in amounts of nitrogen, phosphorus, potassium and lime applied.

The following conclusions were made:
  1. 1.

    Organic carbon losses must be expected when potatoes are raised in a 3-year rotation with oats and clover with the removal of all crops.

     
  2. 2.

    Of the various fertilizer and lime treatments analyzed additions of lime and formulas high in phosphoric acid gave best results in reducing organic carbon losses.

     
  3. 3.

    The 4-8-7 plus lime treatment was not so effective as the 4-16-7 treatment in producing high yields but it was more effective in maintaining the organic carbon level.

     

Keywords

Organic Carbon Lime Fertilizer Treatment Lime Treatment Potato Jour 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Literature cited

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Copyright information

© Springer 1941

Authors and Affiliations

  • William H. Coates
    • 1
  1. 1.University of New HampshireDurham

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