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Microplot Design and Plant and Soil Sample Preparation for 15Nitrogen Analysis
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Microplot Design and Plant and Soil Sample Preparation for 15Nitrogen Analysis

Microplot Design and Plant and Soil Sample Preparation for 15Nitrogen Analysis

DOI:
10.3791/61191-v

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08:44 min

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May 10, 2020

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,
1Department of Soil, Water and Climate,University of Minnesota

Capitoli

  • 00:04Introduction
  • 00:40Plot Design
  • 01:42Nitrogen (15N)-Enriched Fertilizer Preparation and Application
  • 02:40Field Sample Processing: Aboveground Corn Biomass
  • 03:32Field Sample Processing: Soil
  • 04:20Lab Sample Processing: Soil and Plant Sample Grinding
  • 04:51Sample Encapsulation for Processing
  • 06:22Results: Representative Fertilized-Derived Nitrogen (FDN) Partitioning and Budgeting
  • 08:04Conclusion

Summary

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Traduzione automatica

A microplot design for 15N tracer research is described to accommodate multiple in-season plant and soil sampling events. Soil and plant sample collection and processing procedures, including grinding and weighing protocols, for 15N analysis are put forth.

Tags

15Nitrogen AnalysisMicroplot DesignPlant And Soil Sample PreparationNitrogen Use EfficiencyNitrogen CycleNitrogen Fertilizer ManagementCornBiomass SamplingEnriched UreaVolatilization

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