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Iowa State University

Life Sciences

1979

Soil fertility

Articles 1 - 4 of 4

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Rate, Placement, And Source Of Phosphorus Fertilizer Effects On Corn Yields As Influenced By Weather, Soil, And Management Variables In Long-Term Experiments In Iowa, Eduardo Felipe Casanova Jan 1979

Rate, Placement, And Source Of Phosphorus Fertilizer Effects On Corn Yields As Influenced By Weather, Soil, And Management Variables In Long-Term Experiments In Iowa, Eduardo Felipe Casanova

Retrospective Theses and Dissertations

No abstract provided.


Corn Yield In Relation To Soil, Management, And Weather Variables In Western Iowa , Benjamin Valeriano Pena-Olvera Jan 1979

Corn Yield In Relation To Soil, Management, And Weather Variables In Western Iowa , Benjamin Valeriano Pena-Olvera

Retrospective Theses and Dissertations

No abstract provided.


Sorption Of Sulfur Dioxide And Hydrogen Sulfide By Soils, Larry Joseph Cihacek Jan 1979

Sorption Of Sulfur Dioxide And Hydrogen Sulfide By Soils, Larry Joseph Cihacek

Retrospective Theses and Dissertations

No abstract provided.


Soybean Growth Responses And Soil Chemical Changes Resulting From Applications Of Pyrite Recovered From Iowa Coal , James Delbert Kaap Jan 1979

Soybean Growth Responses And Soil Chemical Changes Resulting From Applications Of Pyrite Recovered From Iowa Coal , James Delbert Kaap

Retrospective Theses and Dissertations

No abstract provided.