33 publications were found
on Agricultural and Environmental Services Laboratories
2019 Vidalia Onion Extension and Research Report
This annual publication includes a report of 2018-19 onion research variety trials and Extension activity at the University of Georgia College of Agricultural and Environmental Sciences. The report contains the results of research awarded by the Vidalia Onion Commodity Commission in 2019.
Cation Exchange Capacity and Base Saturation
Cation exchange capacity (CEC) is a measure of the total negative charges within the soil that adsorb plant nutrient cations such as calcium (Ca2+), magnesium (Mg2+) and potassium (K+). As such, the CEC is a property of a soil that describes its capacity to supply nutrient cations to the soil solution for plant uptake.
Common Terms Used in Animal Feeding and Nutrition
The purpose of this publication is to serve as an educational
reference and resource to those who are interested
in animal feeding and nutrition. Our primary objective
is to list the common terms used when discussing animal feeding. This listing will also be helpful when reading articles on animal feeding and nutrition, feed analysis reports or tags associated with feeds sold in the market.
Cover Crop Biomass Sampling
Cover crops are one of the most important practices that farmers can use to improve their soils and the sustainability of their production system. Knowing how much biomass there is in a field is a critical piece of information for cover crop management. Part 1 of this circular provides a step-by-step guide to taking a sample that will be representative of your field. Part 2 provides additional ste…
Drinking Water: Interpretation and Recommendations
An estimated 1.7 million people in Georgia rely on 640,000 private wells for their drinking water supply. The Georgia Environmental Protection Division enforces EPA's drinking water quality standards for human consumption in public water supplies according to the Federal Safe Drinking Water Act. However, private wells are not regulated. Consequently, private well water users are responsible for en…
Ensuring Safe Private Well Water for Household Use After a Flood
The quality of drinking water from wells may be compromised during a flood. Flooding around the well increases the risk of drinking water becoming contaminated with bacteria or any other contaminants, rendering it unsafe to drink and for washing food items. This publication describes the steps to take when you suspect that your well has been affected by flooding. Steps include well inspection, cal…
Household Water Quality Series: Arsenic in Your Water
Arsenic in your drinking water poses a threat to your health. Since private systems are more susceptible to arsenic than public water systems, private well owners should take steps to guard their health. Measures include routine water supply testing and wellhead maintenance and protection.
Household Water Quality Series: Coliform Bacteria in Your Water
This publication contains information about identifying and controlling coliform bacteria in household water.
Household Water Quality Series: Corrosive or Scaling Water
Corrosiveness or scaling is an inherent property of some groundwater and is related to the type of rocks or sediments in contact with the groundwater. Corrosion is caused when water reacts with and dissolves metal plumbing. This can add toxic levels of metals like copper and lead to your water. Other problems associated with corrosive water include:
• Deterioration and damage to the plumbing
Household Water Quality Series: Disinfecting Your Well Water: Shock Chlorination
Shock chlorination is the process by which home water systems such as wells, springs, and cisterns are disinfected using household liquid bleach (or chlorine). Shock chlorination is the most widely recommended means of treating bacterial contamination in home water systems. This publication contains guidelines for safely and effectively using shock chlorination -- a standard treatment for sanitizi…
Household Water Quality Series: Home Water Quality and Treatment
The quality of your water supply can have both an immediate and a prolonged effect on the health of your household. Many Americans, especially those dependent upon well water, assume that their water is safe and healthy. Unfortunately, this is not always the case. This publication contains basic information about home water quality and treatment.
Household Water Quality Series: Household Water Treatment Techniques and Devices: Activated Carbon Filtration
Activated carbon, also called activated charcoal, is usually produced from charcoal in granular or powdered form. It is a form of carbon that has been processed (activated) to make it highly porous, with a very large surface area available for physical adsorption or chemical reactions. Among others, water treatment is an important application of activated carbon. Activated carbon filters treat gen…
Household Water Quality Series: Hydrogen Sulfide and Sulfate
This publication describes hydrogen sulfide and sulfate and its effects on household water quality.
Household Water Quality Series: Iron and Manganese
Elevated levels of iron (Fe) and manganese (Mn) are two of the most common water quality problems in Georgia's groundwater. This circular addresses problems associated with high levels of these two elements, levels considered to be a problem, and treatment options to remove the iron or manganese.
Household Water Quality Series: Lead and Copper
Private wells are exclusively supplied by groundwater. The source waters for most public water systems in south Georgia (and some in north Georgia) are also supplied by groundwater. Generally, lead and copper concentrations in the major underground aquifers in Georgia are far below the U.S. Environmental Protection Agency’s (EPA) action levels. They enter the household drinking water system and ex…
Household Water Quality Series: Mercury in Your Water
Mercury in your drinking water poses a threat to your health.
The U.S. Environmental Protection Agency (EPA) has set the current standard
for mercury in drinking water at 2 parts per billion (ppb). The amount of mercury
in public water systems is regulated according to EPA standards. If your water
comes from a public system, it is routinely tested to ensure safe mercury
levels. However, if you are…
Household Water Quality Series: Nitrate and Nitrite in Water
Private well owners are responsible for the safety of their drinking water. Maintaining a healthy well requires routine testing for possible contaminants, including nitrate and nitrite. To assist in water safety, the EPA has set standards for nitrate levels in public drinking water systems. Although private well owners are not required to meet these standards, they do serve as a reference for safe…
Household Water Quality Series: Pesticides, Petroleum Products, and Other Organic Chemicals
Municipal water systems are required by law to be monitored for many contaminants found in pesticides, solvents, and
petroleum products. However, if your water comes from a private well or from a system that serves fewer than 25 people or has
fewer than 15 connections, it is not regulated under these laws. The safety of water from these sources is the responsibility of
the owners. If you suspect t…
Household Water Quality Series: Protecting Your Well and Wellhead
If you are one of the many Americans who use groundwater for drinking,
the proper protection of your well and wellhead is essential for the health of your family, yourself and your neighbors. This publication contains information about protecting your well and wellhead from contaminants.
Household Water Quality Series: Radon in Your Water
Radon is a naturally occurring, radioactive gas formed from the decay of uranium and radium found in geologic deposits. Exposure to radon gas most commonly occurs through elevated levels in home air. However, in Georgia and neighboring states there is a lesser, though still significant, risk of exposure to radon dissolved in drinking water. This circular addresses the issues on its occurrence, hum…
Household Water Quality Series: Removal of Hydrogen Sulfide and Sulfate
This publication explains how to identify and remove hydrogen sulfide and sulfate from household water.
Household Water Quality Series: Testing for Water Quality
The quality and safety of drinking water is of great concern to many Americans today because of an increased interest in health and environmental quality. This new focus on water quality has led many Americans to consider testing their water. This publication is intended to help you understand water testing and to identify the tests needed.
Household Water Quality Series: Uranium in Your Water
Uranium in your drinking water may be harmful to your health. If your water comes from a public system, it is routinely tested to ensure safe levels of uranium. If your source of household water is a private well, cistern or spring, you are solely responsible for the quality of your own drinking water. Private well owners are encouraged to monitor uranium through water testing.
Household Water Treatment: Disinfection Methods and Devices
Pathogens in household waters pose a serious threat to human health. The Center for Disease Control and Prevention (CDC) have recorded many drinking water microbial-associated disease outbreaks in the U.S., causing illness, hospitalization, and even death. The two most commonly identified reasons for these outbreaks are the bacterium Legionella spreading from within building plumbing systems (66% …
Household Water Treatment: Mechanical Filtration Methods and Devices
Mechanical filtration removes suspended solids and dirt to greatly improve the clarity of water. Various kinds of mechanical filtration methods and devices are available for home water treatments. Primarily, the size of the suspended solids will determine the appropriate type of mechanical filtration device suitable for your unique situation. Consumers interested in filtration devices should discu…
Iron (Manganese) and Sulfur Bacteria in Your Well Water
Presence of bacteria in your drinking water supply does not necessarily pose a health hazard. Certain types of bacteria in household water are more of a nuisance issue. Your water may test negative for coliform and E. coli, but it may still contain other bacteria, typically nuisance bacteria. The two most common types of nuisance bacteria are iron (manganese) and sulfur bacteria. Iron (manganese) …
Irrigation Water Quality for Agriculture
With growing demands for potable (suitable for drinking) water (due to population increase) and expanding irrigated acreage, there is an increased pressure on irrigated farms to consider using nonpotable alternatives. However, low quality irrigation water can adversely affect soil physical conditions and crop production.
This publication provides in-depth information on the following aspects of a…
Predicting Nitrogen Release from Cover Crops: the Cover Crop Nitrogen Availability Calculator
Cover crops have many benefits for farmers, including erosion control, weed suppression, and feeding the food soil web. Cover crops also play an important role in fertility, particularly for nitrogen.
One of the challenges facing farmers who use cover crops is quantifying the available nitrogen supplies to the following cash crop by the decomposing cover crop residues and how they might change t…
Removal of Arsenic From Household Water
Arsenic in your drinking water may damage your health. Because arsenic in household well water is usually dissolved from natural rock in the aquifer, water treatment is the only way to eliminate it. This publication describes methods for removing arsenic from household drinking water.
Selenium in Georgia Soils and Forages: Importance in the Livestock Industry
This publication highlights the role of selenium in animal nutrition; selenium concentration and distribution in soils and feedstuffs (grains and forages) produced in various parts of the United States and in Georgia; disorders resulting from Selenium deficiency or toxicity; various methods of selenium supplementation; and recommendations for selenium management in Georgia. This publication is int…
Understanding and Improving Forage Quality
The goal of this publication is to guide the user to a better understanding of basic forage quality terms and to recommend management changes that will improve forage quality. To that end, our objectives are to explain how forage quality is measured, describe how to interpret a forage analysis, present the effects of management on forage quality, and list the key management strategies that can inc…
Water Quality and Common Treatments for Private Drinking Water Systems
An abundant supply of clean, safe drinking water is essential for human and animal health. Water from municipal or public water systems is treated and monitored to ensure that it is safe for human consumption. Many Georgia residents, especially in rural areas, rely on private water systems for human and livestock consumption. Most private water systems are supplied by wells. Water from wells in Ge…
Your Household Water Quality: Odors in Your Water
Homeowners sometimes experience unpleasant odors in their household water. In many cases, the exact cause of the odor is difficult to determine by water testing; however, this publication provides a few general recommendations for treating some common causes of household water odors.