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Iowa State University

2018

Plant Sciences

Graduate Theses and Dissertations

Horticulture

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The Horticultural Potential Of Wastewater-Grown Algae Fertilizers, J Austin Gimondo Jan 2018

The Horticultural Potential Of Wastewater-Grown Algae Fertilizers, J Austin Gimondo

Graduate Theses and Dissertations

This thesis comprises five chapters and details the evaluation of wastewater-grown-algae-based materials as plant fertilizers in container-crop production. Chapter one provides context for the thesis followed by a detailed review of literature relevant to bio-based fertilization and the use of algae to treat wastewater. Chapters two through four are manuscripts intended for submission to HortScience. Chapter two details the production of three container-grown crops with pellets or pastes of wastewater-grown algae as a fertilizer source. Evaluation of extruded algae-and-bioplastic materials as fertilizers for three container-crops and for turfgrass are reported in chapters three and four, respectively. The final chapter synthesizes ...


The Growing Together Project: Understanding Impacts On Field Day Attendees And Iowa Master Gardeners, Laura Irish Jan 2018

The Growing Together Project: Understanding Impacts On Field Day Attendees And Iowa Master Gardeners, Laura Irish

Graduate Theses and Dissertations

Citizen science has been shown to be an effective tool for increasing data collection, as well as a great benefit to those who participate in the research project. The rising costs and limited funding for conducting large-scale research projects make citizen science projects valuable assets for researchers. Understanding the impact of citizen science projects on the volunteers must be done to better engage with and retain the volunteers. The Growing Together project, a partnership between the ISU Extension and Outreach Master Gardener program and the Human Sciences Extension, was created to increase food security in Iowa. The two major components ...