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Cation Exchange Capacity and Base Saturation (C 1040) 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 Agricultural Calculations Using Unit Conversions (C 1313) Use this publication to calculate planting densities, fertilizer application rates, sprayer calibration, and soil amendment applications using unit conversions. We demonstrate the “raw math” behind common calculations to provide you with the tools for solving any equation using simple addition, subtraction, multiplication, and division. No longer will you be dependent on having production guides, …

Fall Gardening: A Collection of Information and Resources (AP 105) This publication is an annually-updated guide to fall gardening information and resources for Georgia. Topics include planting tall fescue lawns, soil bag flower beds, planting pansies like the pros, planting collards, turnips and cabbage, planting a home fruit orchard, mulching with leaves, gardening chores, cleaning and storing garden tools, treating for fire ants, and additional resources.

How to Convert an Inorganic Fertilizer Recommendation to an Organic One (C 853) Many farmers and gardeners use natural minerals and organic fertilizers rather than synthetic ones to build their soil. If you use organic materials as all or part of your fertilization program, this publication will help you calculate the proper amount to use from the recommendations provided by a soil test.

Nutritional Deficiencies in Vegetables (B 1569) This brief guide covers nutrient deficiencies and their symptoms in common vegetables. Makenzie English, Horticulture Program Assistant, is co-author on this publication.

Ornamental Plantings on Septic Drainfields (C 1030) Ornamental plantings can be attractive and beneficial options for the expanse of open ground designated for a septic drainfield. Properly chosen plants help manage moisture and nutrient levels in the soils around the drainfield, and can discourage activities that may cause site compaction and reduce the effectiveness of the system. The drawback is that poor plant choices can create costly maintena…

Soil Inoculants (C 990) Soil inoculants are used for a variety of reasons. In some cases, we add soil organisms that have a known beneficial effect. A symbiotic relationship is one that is mutually beneficial. In return for the plant feeding the rhizobia carbon from photosynthesis and giving it a home, the bacteria can “fix” atmospheric nitrogen into a form that the plant can use.

Soil Organic Matter (C 1299) Soil organic matter (SOM) is a complex mixture of plant and animal tissues, and plays an important role in the physical, chemical, and biological processes in the soil. This publication describes how SOM contributes to overall soil fertility, factors controlling SOM abundance, and what cultivation practices growers can use to increase SOM in their soils.

Soil Preparation and Planting Procedures for Ornamental Plants in the Landscape (B 932) Proper planting is essential for healthy, vigorous growth of ornamental plants in the landscape. It assures rapid plant establishment by providing a favorable environment for the developing root system. This publication offers step-by-step guidelines that will help you achieve planting success.

Soil Salinity Testing, Data Interpretation and Recommendations (C 1019) 海角官方首页 Agricultural and Environmental Services Laboratories offer soil salinity testing to help farmers and the general public diagnose and manage problems associated with soil salinity. By definition, a saline soil contains excess soluble salts that reduce the growth of most crops or ornamental plants. This publication discusses soil salinity testing, data interpretation and re…

Soil Testing for Home Lawns, Gardens and Wildlife Food Plots (C 896) Developing and maintaining productive soils begin with soil testing. Soils tests provide information on the soil's actual nutrient status. Test results are used to determine the amount and kind of nutrients that should be added for the best growth of lawn, garden, and other types of plants.

Soil Testing: Soil pH and Salt Concentration (C 875) Soil pH is one of the most important measurements of soil fertility. Knowing a soil's pH may help in diagnosing nutritional problems of agricultural crops and other plants.

Turfgrass Fertility Series: Turfgrass Fertility: Soil Texture, Organic Matter, Aeration, and pH (C 1058-1) Successful lawn care requires a basic understanding of soil properties. A healthy plant starts with healthy soil. Soil is a complex relationship of soil minerals, organic matter, soil inhabiting organisms, and plants along with water and air. Understanding when and how to aerate the soil and understanding what pH is and how it affects plant health is essential for turfgrass health. This publicatio…

Urban Gardening: Assessing Soils for Contamination (C 1075) Urban gardeners and farmers may have concerns about potentially harmful contaminants in their soils. By determining the historical use of the land, one can test for soil contamination associated with prior use. This publication outlines appropriate testing procedures for soil contamination and recommends best gardening practices for working in urban soils.

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