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Nutrient Management Research Database
General Information
Research Title
Greensand as a Soil Amendment
Link to File
Research Specifications
Crop:
Soil Type: Sandy loam
Country: United States
Year: 2002
Authors
J.R. Heckmman and J.C.F. Tedrow
Summary/Abstract from Original Source
The benefits in plant growth sometimes observed following greensand applicationare likely not due to nutritional benefits,but from changes in soil physical properties.
Research Highlights
Design and Methods
While the use of greensand has been suggested a potential source of K, this paper details findings from a study showing greensand to be effective at providing K for crops.
Results
While greensand was not able to provide K to the potato crop, it did improve crop yield by acting as a soil conditioner.
Greensand can permanently improve soil water holding capacity and increase how much nutrients soil can hold.