Proceedings :: North Central Soil Fertility Conference

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Wells, B.R

Guidry, A

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Wells, B.R

Guidry, A

Schindler, F

German, D

Gelderman, R

Gerwing, J

Topics

Type

Oral

Year

1994

2004

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1. Chemical and Biological Changes Resulting from Soil Submergence Flooding of a soil for rice production results in significant short and long term physical, chemical and biological changes in soil properties. These changes may have significant impact of the availability of nutrients for plant growth both for aquatic plants growing in the flooded soil and upland plants on the soil when not under flooded conditions. Chief among these nutritional effects are accelerated nitrogen (N) losses, conversion of phosphorus (P) to more available forms during flooding then... Download paper
2. Influence of Soil Test Phosphorus on Phosphorus Runoff Losses from South Dakota Soils Applications of manure and fertilizer phosphorus (P) to soil in excess of optimal crop requirements leads to a buildup of soil test phosphorus (STP) and increases the risk of offsite transfer of P during heavy precipitation events. The first step to developing effective manure and fertilizer P application strategies for South Dakota is to evaluate the relationship that exists between soil and runoff P. The objectives of this study were to: 1) determine the relationship between STP and runoff P concentrations... Download paper

Filter results2 paper(s) found.

1. Chemical and Biological Changes Resulting from Soil Submergence

Flooding of a soil for rice production results in significant short and long term physical, chemical and biological changes in soil properties. These changes may have significant impact of the availability of nutrients for plant growth both for aquatic plants growing in the flooded soil and upland plants on the soil when not under flooded conditions. Chief among these nutritional effects are accelerated nitrogen (N) losses, conversion of phosphorus (P) to more available forms during flooding then...

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2. Influence of Soil Test Phosphorus on Phosphorus Runoff Losses from South Dakota Soils

Applications of manure and fertilizer phosphorus (P) to soil in excess of optimal crop requirements leads to a buildup of soil test phosphorus (STP) and increases the risk of offsite transfer of P during heavy precipitation events. The first step to developing effective manure and fertilizer P application strategies for South Dakota is to evaluate the relationship that exists between soil and runoff P. The objectives of this study were to: 1) determine the relationship between STP and runoff P concentrations...

Download paper