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Planting Ornamentals
Planting Ornamentals - Articles Articles

Planting Ornamentals

Jim Sellmer, Ph.D., Martin McGann, J. Robert Nuss

This publication covers the factors involved in successful, healthy and long-lived plantings, including buying healthy plants, different types of ornamentals, and the proper way to plant them. More
Soil Management in Home Gardens and Landscapes
Soil Management in Home Gardens and Landscapes - Articles Articles

Soil Management in Home Gardens and Landscapes

Jim Sellmer, Ph.D., David Lee Sanford, Ph.D., J. Robert Nuss

This publication explores the interrelationship of a plant and the soil in which it is rooted. More
Helping Realtors Understand On-Lot Wastewater Inspections
Helping Realtors Understand On-Lot Wastewater Inspections - Articles Articles
As part of the “home inspection” process, realtors need to understand who should conduct on-lot disposal system inspections and what outcomes to expect. More
Figure 1. Green roof profile schematic including materials typically included in construction.
Green Roofs for Stormwater - Articles Articles

Green Roofs for Stormwater

Albert Jarrett, Ph.D.

Guidance on how green roofs can be constructed and how they can be expected to contribute to solving stormwater problems. More
Rock Swale
Improving Stormwater Quality - Articles Articles

Improving Stormwater Quality

Albert Jarrett, Ph.D.

Various low impact development (LIDs) practices and how effective they are at reducing pollutants in stormwater. More
Controlling the Dewatering of Sedimentation Basins
Controlling the Dewatering of Sedimentation Basins - Articles Articles
Design criterion provided that can be used by engineers to properly size various dewatering control features used as part of the basin’s principal spillway. More
Creating an Infiltration Surface
Creating an Infiltration Surface - Articles Articles

Creating an Infiltration Surface

Albert Jarrett, Ph.D.

Information for contractors to properly build an infiltration surface; the soil surface where stormwater or wastewater is expected to enter the soil profile. More
Selecting a Faircloth Skimmer
Selecting a Faircloth Skimmer - Articles Articles

Selecting a Faircloth Skimmer

Albert Jarrett, Ph.D.

A skimmer is a basin dewatering control device that withdraws water from near the basin’s water surface, removing the highest quality water from the basin for delivery to the uncontrolled environment. More
Rainwater Cistern (image credit - Ecology Center on flickr.com CC BY 2.0)
Cisterns for Capturing and Reusing Stormwater - Articles Articles
Guidance provided on how to develop effective runoff capture and reuse systems as part of a stormwater management plan. More
Infiltrating Stormwater
Infiltrating Stormwater - Articles Articles

Infiltrating Stormwater

Albert Jarrett, Ph.D.

Guidance to stormwater designers about assessing a potential stormwater infiltration site to determine the rate and volume of stormwater that can be expected to infiltrate into the soil. More
Figure 1. Typical bioretention cell.
Rain Gardens (BioRetention Cells) - a Stormwater BMP - Articles Articles
Design guidance provided for engineers and planners on how to properly develop a bioretention cell. More
Wet Basements
Wet Basements - Articles Articles

Wet Basements

Albert Jarrett, Ph.D.

Understanding and correcting wet basements is a key topic for homeowners. More
Drip irrigation of bell peppers
Drip Irrigation for Vegetable Production - Articles Articles

Drip Irrigation for Vegetable Production

Jayson K. Harper, Ph.D., Albert Jarrett, Ph.D., Michael Orzolek, Ph.D.

Drip or trickle irrigation is a very efficient method of applying water and nutrients to crops. More
Riego por goteo de pimientos.
Riego por Goteo para la Producción Vegetal - Articles Articles

Riego por Goteo para la Producción Vegetal

Jayson K. Harper, Ph.D., Lynn Kime, Albert Jarrett, Ph.D., Michael Orzolek, Ph.D.

La irrigación o riego por goteo o chorreo es un método muy eficiente para la aplicación de agua y nutrientes para los cultivos. More
Hydraulic Load Test Hydraulic Load Test - Articles

Hydraulic Load Test

Albert Jarrett, Ph.D.

The Hydraulic Load Test is included as a component of the PSMA On-Lot Wastewater Inspection. More
Septic Tank Exit Filters Septic Tank Exit Filters - Articles

Septic Tank Exit Filters

Albert Jarrett, Ph.D.

Adding a filter to the exit baffle of a septic tank serves as the final opportunity to capture and remove partially settled particles in the wastewater. More
On-Lot Filtration and Advanced Treatment Units
On-Lot Filtration and Advanced Treatment Units - Articles Articles
There are many Filtration and Advanced treatment units (FATU's) approved for use in On-Lot Wastewater Systems in Pennsylvania. More
Figure 1. Cross-section through a Micro-Mound
Drip-Irrigation Micro-Mound - Articles Articles

Drip-Irrigation Micro-Mound

Albert Jarrett, Ph.D.

The Drip-Irrigation Micro-Mound On-Lot Wastewater System is a method of distributing treatment tank (septic or aerobic) effluent to the natural soil. More
Geotextile Sand Filter (GSF) On-Lot Systems
Geotextile Sand Filter (GSF) On-Lot Systems - Articles Articles
The Geotextile Sand Filter (GSF) on-lot sewage disposal system can be designed and installed on sites with restrictive soil conditions. More
Agricultural Water Needs and Sources Water Supply
Agricultural Water Needs and Sources Water Supply - Articles Articles
Information on the volume of water needed for various agricultural purposes. More
Aerobic Treatment Units Aerobic Treatment Units - Articles

Aerobic Treatment Units

Albert Jarrett, Ph.D.

Aerobic treatment units, also called activated sludge tanks, are a common method of biological treatment used in municipal wastewater treatment facilities. More
Unused and unwanted medicines being collected.
Pharmaceutical Disposal and Water Quality - Articles Articles
This article explains the issue of pharmaceuticals in water and how to properly dispose of these products to prevent water quality contamination. More
Choosing Plants Wisely
Choosing Plants Wisely - Articles Articles

Choosing Plants Wisely

Emelie Swackhamer, J. Robert Nuss, Larry Kuhns, Gregory Hoover

To create and maintain a healthy landscape, choose plants that are suited to the conditions in your yard. More
Introduction to Creating Healthy Landscapes
Introduction to Creating Healthy Landscapes - Articles Articles

Introduction to Creating Healthy Landscapes

Emelie Swackhamer, J. Robert Nuss, Larry Kuhns, Gregory Hoover

When a plant looks unhealthy or has been injured by an insect or a mite, often our first impulse is to apply a pesticide. More
Keeping Plants Well Groomed
Keeping Plants Well Groomed - Articles Articles

Keeping Plants Well Groomed

Emelie Swackhamer, J. Robert Nuss, Larry Kuhns, Gregory Hoover

Debris that builds up in the landscape can harbor pests and plant diseases. More
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