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Farms & Agribusiness

Commercial Greenhouse and Nursery Production: Alkalinity Management in Soilless Substrates
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Commercial Greenhouse and Nursery Production: Alkalinity Management in Soilless Substrates

Growers often do not have a clear understanding of the underlying causes behind increased substrate pH—water alkalinity, rather than water pH, is typically the source of the problem. This publication helps growers ...

Commercial Greenhouse and Nursery Production: Census of Agriculture Reveals Declines in Floriculture Producers
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Commercial Greenhouse and Nursery Production: Census of Agriculture Reveals Declines in Floriculture Producers

The U.S. Department of Agriculture National Agriculture Statistics Service (USDA-NASS) released the 2007 Census of Agriculture on February 4, 2009. State and federal policy makers, researchers, extension personnel, growe...

Commercial Greenhouse and Nursery Production: Controlling Algae in Irrigation Ponds
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Commercial Greenhouse and Nursery Production: Controlling Algae in Irrigation Ponds

Because water is so essential, commercial greenhouse and nursery operations need to maintain water supplies of sufficient quantity and quality to produce plant material profitably. This publication is not a comprehensive...

Commercial Greenhouse and Nursery Production: Flower Induction of Annuals
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Commercial Greenhouse and Nursery Production: Flower Induction of Annuals

If annual bedding plants have even just a few flowers, customers get an idea of what the plant looks like in full bloom, which can increase impulse purchases. However, to be able to deliver to retailers annual bedding pl...

Commercial Greenhouse and Nursery Production: Lowering Soil pH for Horticulture Crops
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Commercial Greenhouse and Nursery Production: Lowering Soil pH for Horticulture Crops

Soil pH is important because it affects the availability of nutrients a plant needs to grow and thrive. This publication explains when lowering soil pH is important for commercial producers and recommends practices to sa...

Commercial Greenhouse and Nursery Production: Soil pH
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Commercial Greenhouse and Nursery Production: Soil pH

Plants obtain nearly all their nutrients from the soil, but not all the nutrients present in the soil are accessible to plants. That's because soil pH affects the form and, therefore, solubility of nutrients. This public...

Commercial Greenhouse Production: Applying Plant Growth Retardants for Height Control
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Commercial Greenhouse Production: Applying Plant Growth Retardants for Height Control

Controlling plant size is one of the most important aspects of greenhouse crop production. An alternative, effective strategy for controlling plant height is to use chemical plant growth retardants (PGRs). The goals of t...

Commercial Greenhouse Production: pH and Electrical Conductivity Measurements in Soilless Substrates
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Commercial Greenhouse Production: pH and Electrical Conductivity Measurements in Soilless Substrates

Monitoring the pH and electrical conductivity (EC) of growing substrates is a way to correct issues before they become problems that damage crops. This publication recommends best practices for establishing a pH and EC t...

Comparable Costs of Various Energy Sources for Irrigation Pumping
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Comparable Costs of Various Energy Sources for Irrigation Pumping

This publication provides the comparative costs of various energy sources for irrigation pumping and other factors that must be considered in selecting a particular energy source....

Constructing Drainage Water Recycling Systems
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Constructing Drainage Water Recycling Systems

See examples of drainage water recycling system construction in Michigan and Missouri. For more information visit the Transforming Drainage we...

Drainage and Wet Soil Management: Drainage Recommendations for Indiana Soils
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Drainage and Wet Soil Management: Drainage Recommendations for Indiana Soils

This publication provides information about surface drainage, tile drains, and ditches for the soils of Indiana. The publication focuses on three main areas: soil drainage associations, descriptions of soil drainage asso...

Drainage and Wet Soil Management: Wet Soils of Indiana
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Drainage and Wet Soil Management: Wet Soils of Indiana

This publication covers the hydrological and ecological importance of wet soils. It covers the basic characteristics of wet soils, how they function in their natural state, and how they might react to drainage for agricu...

Drainage for the long haul: Key takeaways from the SEPAC study
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Drainage for the long haul: Key takeaways from the SEPAC study

Subsurface "tile" drainage is an essential agricultural water management practice on naturally poorly drained soils. This publication presents a brief synopsis of key takeaways from a 35-year study at the Southeast Purdu...

Drainage Water Recycling Spotlight: Addressing an Outlet Challenge in Michigan
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Drainage Water Recycling Spotlight: Addressing an Outlet Challenge in Michigan

This video shows the goals, challenges, and implementation of a 5 acre reservoir and sub irrigation system at a 100 acre field lacking a drainage outlet in southeastern Michigan. -----------------------------------------...

Drainage Water Recycling Spotlight: Meeting Crop Needs in Minnesota
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Drainage Water Recycling Spotlight: Meeting Crop Needs in Minnesota

Minnesota researchers have monitored crop water needs to understand the yield benefits of drainage water recycling. This video highlights the challenges and considerations. -----------------------------------------------...

Drainage Water Recycling Spotlight: Partnerships in Missouri
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Drainage Water Recycling Spotlight: Partnerships in Missouri

The Missouri Land Improvement Contractors Association and many others came together to construct a 13-acre reservoir and subirrigation system at a research site in Missouri. This video shows how a large project drainage ...

Drainage Water Recycling: Capturing, Storing, and Using Drained Water for Multiple Benefits
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Drainage Water Recycling: Capturing, Storing, and Using Drained Water for Multiple Benefits

Learn about drainage water recycling, the challenges addressed by the practice, and why there is growing interest in the practice. For more information visit the

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Economic Factors of Drainage Related to Corn Production
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Economic Factors of Drainage Related to Corn Production

This publication discusses the likely effects of drainage improvements, the yield value of those improvements, the factors determining the economics of drainage, and how to calculate returns to a drainage investment. T...

Interpreting Nitrate Concentration in Tile Drainage Water
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Interpreting Nitrate Concentration in Tile Drainage Water

Monitoring nitrate nitrogen in field drainage tile outlets has important implications for water quality and efficient production agriculture. This publication provides some general guidelines for interpreting nitrate ...

Managing Drainage Water Recycling Systems
ABE-171-WV

Managing Drainage Water Recycling Systems

Learn about the management of drainage water recycling systems in Missouri and Minnesota, including managing reservoir water levels, irrigation scheduling, controlled drainage systems, and impacts on crop management. Fo...

Measuring Daily Light Integral (DLI)
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Measuring Daily Light Integral (DLI)

This brochure provides basic information about measuring Daily Light Integrals (DLI) in greenhouses, including DLI requirements for certain crops.

The full version of this publication is available in

Planning Drainage Water Recycling Systems
ABE-169-WV

Planning Drainage Water Recycling Systems

Learn the factors to be considered in planning, including site suitability, designing systems, experiences with permitting and regulations, and available resources for technical assistance. For more information visit th...

Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: El control de Algas en las Lagunas de Riego
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Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: El control de Algas en las Lagunas de Riego

Dado que el agua es un elemento esencial, invernaderos comerciales y operaciones de viveros necesitan mantener el abastecimiento de agua en cantidad y calidad suficiente para producir plantas de manera rentable. Esta pub...

Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: Manejo de la Alcalinidad en Sustratos Hidropónicos
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Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: Manejo de la Alcalinidad en Sustratos Hidropónicos

Productores de invernaderos y viveros muchas veces asumen que la presencia de hojas amarillas o pálidas son signos de deficiencias nutricionales. A veces, sin embargo, el problema se debe a la ausencia de nutrientes...

Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: Medición de Luz Diaria Integrada en Invernaderos
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Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: Medición de Luz Diaria Integrada en Invernaderos

En la producción comercial bajo invernadero varias estrategias pueden emplearse para manejar de manera adecuada los niveles de luz a lo largo del día y según las temporadas del año. Esta publicaci...

Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: Medición de pH y Conductividad Eléctrica en Sustratos
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Produccion Comercial de Cultivos Bajo Invernadero Y Viveros: Medición de pH y Conductividad Eléctrica en Sustratos

El monitoreo del pH y la conductividad eléctrica (CE) de medios de crecimiento nos da la habilidad de corregir este tipo de inconvenientes antes de que se conviertan en problemas que pudieran perjudicar a los cultiv...

Questions and Answers about Drainage Water Management for the Midwest
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Questions and Answers about Drainage Water Management for the Midwest

This 8-page publication answers 27 frequently asked questions about drainage water management for Midwest corn and soybean cropping systems. Drainage water management is one strategy to reduce the nitrate loads in draina...

Runoff Control Systems for Open Livestock Feedlots
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Runoff Control Systems for Open Livestock Feedlots

Runoff from open feedlots must be controlled so that it does not enter a stream. Settling basins and infiltration channels are simple, effective, economical means of runoff control. This publication discusses design, and...

Silage Leachate: Use Caution and Protect the Environment
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Silage Leachate: Use Caution and Protect the Environment

This 2-page PDF describes silage leachate, why it's important, and how you can deal with it. Silage leachate is liquid that seeps from silage storage structures. Because it is typically very high in nutrients that can ha...

Soil drainage and crop yields: Insights from long-term SEPAC study
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Soil drainage and crop yields: Insights from long-term SEPAC study

This is Part 1 of a 3-part series on a 35-year drainage study at the Southeast Purdue Agricultural Center in Butlerville, Indiana. Dr. Eileen Kladivko discusses cash crop establishment and yield as affected by drain spac...

Soil drainage and nitrate losses to surface waters: Insights from long-term SEPAC study
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Soil drainage and nitrate losses to surface waters: Insights from long-term SEPAC study

Part 3 of a 3-part series on a 35-year drainage study at the Southeast Purdue Agricultural Center in Butlerville, Indiana. Dr. Eileen Kladivko discusses drain spacing effects on the amount of water and nitrate-nitrogen l...

Soil drainage impacts on cover crop growth and soil improvement: Insights from long-term SEPAC study
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Soil drainage impacts on cover crop growth and soil improvement: Insights from long-term SEPAC study

Part 2 of a 3-part series on a 35-year drainage study at the Southeast Purdue Agricultural Center in Butlerville, Indiana. Dr. Eileen Kladivko discusses the effects of drainage on cover crop growth and the effectiveness ...

Terracing as a 'Best Management Practice' for Controlling Erosion and Protecting Water Quality
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Terracing as a 'Best Management Practice' for Controlling Erosion and Protecting Water Quality

This publication seeks to answer the commonly asked questions about terraces, including "What are the different types?," "How do they work?," "Where are they most effective (or ineffective)?," "What does it take to con...

Tools to Inform and Transform Drainage
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Tools to Inform and Transform Drainage

This 11-page publication describes eight tools that support decision-making for subsurface drainage systems. All tools presented are available at no cost and without creating an account. This publication is part of a ser...

Transforming Drainage: Potential Benefits of Drainage Water Recycling - a case study from Indiana
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Transforming Drainage: Potential Benefits of Drainage Water Recycling - a case study from Indiana

This publication, part of the Transforming Drainage series, shows how drainage water recycling can improve water quality and crop production. A 10-foot-deep reservoir representing 6% of an Indiana field area met irrigati...