• Impact of Gypsum on Crop Yield, Soil Chemical Properties ...

    The use of soil amendments such as FGD-gypsum seems to be a low-cost viable option. FGD-gypsum is a byproduct of the gas desulfurization systems used to reduce air pollution in coal burning power plants. The supply of FGD-gypsum is projected to increase in coming years as air quality standards continue to increase.

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  • Gypsum as a soil additive: use it or lose it?

     · Emily Sneller, Michigan State University Extension - February 22, 2011. The soil additive gypsum is not well understood and has limited uses in the calcareous-soils of Michigan. Gypsum, or calcium sulfate, has become a hot topic in the fertilizer industry and while this soil additive is widely advertised, it is not well understood.

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  • Gypsum: an old product with a new use | Integrated Crop ...

    Gypsum is a fertilizer product and supplies the crop-available form of calcium (Ca 2 +) and sulfur (SO 4 2-). If these forms are deficient in soil, then crop productivity will benefit if gypsum is applied. This is a big "if" for Iowa soils. Research has not shown deficiency of Ca and normally any potential problem with low Ca levels is taken ...

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  • GYPSUM IN AGRICULTURE

     · To know whether the crop will respond to gypsum, it is necessary to observe the calcium, aluminum, and base saturation values of the soil test considering 20-40 cm depth (or 8 to 16 inches). If the test shows either low calcium, low base saturation or high aluminum, the use of gypsum is recommended, and should be applied all over the land ...

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  • Garden Gypsum Information

     · Garden Gypsum Information. As a rule, using gypsum for garden tilth will probably not harm your plants, but it simply is not necessary. Using a little elbow grease and lovely organic goodies from fall clean up or compost worked into the soil to a depth of at least 8 inches (20 cm.) will provide an excellent soil amendment.

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  • Gypsum Facts and Fiction

    The gypsum is only relatively soluble and is a slow release compound. It takes months of regular irrigation and rainfall for the gypsum to break down into separate pieces of calcium and sulphate alone. After this happens, the calcium (supplied by the gypsum) trades places with the sodium that is attached to the soil particle.

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  • Land Plaster or Gypsum as a Fertilizer. — Pacific Rural ...

    Land Plaster or Gypsum as a Fertilizer. The manurial value of land plaster—sulphate of lime—has long been known and acknowledged. As long ago as when Benjamin Franklin lived and employed his peculiar but moat effective modes of presenting great and important truths to his countrymen, land plaster was employed as a dressing upon the land of our most advanced and intelligent farmers.

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  • 4. EFFECT OF GYPSUM AND CALCIUM CARBONATE ON PLANTS

    The effects of soil gypsum content on corn growth and nutrient composition has been studied by several workers, for example. Hernando et al. (1963, 1965). Growth of corn was reduced with the high gypsum levels. The interaction between gypsum content and soil moisture stress was found significant in its effect on corn growth and performance.

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  • Garden Guides | Nutrient Value of Gypsum Fertilizer

     · Gypsum fertilizer is used to aid soil structure and provide trace nutrients for plants without altering the pH of the soil. For gardening purposes, gypsum is sold dry as a powder, though it is also used to make wall board. Because of the value of gypsum as a fertilizer, recycled wallboard is increasingly used to ...

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  • Why Gypsum in your Organic Soil?

     · Gypsum Improves Water-Use Efficiency. Gypsum increases water-use efficiency of crops. In areas and times of drought, this is extremely important. Improved water infiltration rates, improved hydraulic conductivity of soil, better water storage in the soil all lead to deeper rooting and better water-use efficiency.

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  • Substituting Waste Gypsum Wallboard for Agricultural …

    Gypsum is used in agriculture as a fertilizer and as a soil amendment. Both calcium and sulfur are essential plant nutrients. Gypsum is not a material and will not increase soil pH. This factsheet provides instruction on how to properly manage scrap gypsum wallboard intended for use as a substitute for agricultural gypsum.

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  • Recycled gypsum as an agricultural product: This common ...

     · "Gypsum is a good source of both calcium and sulfur, which crops need for good yields," says Dick. "We also found that it improves many other soil characteristics.

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  • The essential amendment: High quality gypsum demands your ...

    Gypsum leaches into the subsoil replacing aluminum and other acid forming ions, thus allowing roots to penetrate the hostile subsoil more readily. Along with composts, manures and other plant materials, use of gypsum helps rebuild the supply of soil organic matter, and is a major means for increasing the efficiency of its accumulation.

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  • The Myth of Gypsum Magic "Adding gypsum to your yard or ...

    weathered or subject to intensive crop production. Gypsum also improves sodic (saline) soils by removing sodium from the soil and replacing it with calcium. Therefore, one can see improvement in clay soil structure and fertility, and desalinization of sodium-rich soils, by using gypsum. What other effects will gypsum have on soil and plant health?

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  • Gypsum | Mosaic Crop Nutrition

    Gypsum is also a byproduct from processing phosphate rock into phosphoric acid. Gypsum from recycled wallboard is finely ground and applied to soil as fertilizer. Chemical properties. Agricultural use. Farmers typically add gypsum (sometimes called land plaster) to soils either to nourish plants or modify and improve soil properties.

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  • Gypsum as an agricultural product | Soil Science Society of America

    Gypsum | Mosaic Crop Nutrition

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  • Gypsum and Lime

    Gypsum is not acid soluble and will not change the soil pH. It helps to shift the Ca and Mg levels in soil and offers a readily available form of sulfate sulfur, a valuable secondary nutrient that benefits the soil and crop. The sulfate in gypsum binds with excess Mg in the soil to form soluble Epsom salt, which moves lower into the soil profile.

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  • Using Gypsum to Help Reduce Phosphorus Runoff | USDA

     · It is important to not use too much or too little gypsum in these applications. A recent soil test showing the Cation Exchange Capacity and % Base Saturation is the first step. Then in the 333 Standard, compare this soil test information to Tables 2a and 2b as well as the Additional Criteria sections for selecting the proper rate for your ...

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  • 36 Reasons for Using Gypsum

    31. Gypsum Keeps Clay Off Tuber and Root Crops. Gypsum can help keep clay particles from adhering to roots, bulbs and tubers of crops like potato, carrots, garlic and beets. In combination with water-soluble polymers, it is even more beneficial (Wallace and Nelson 1986). 32. Gypsum Decreases Loss of Fertilizer Nitrogen to the Air.

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  • Soybean response to gypsum is dependent on soil quality ...

     · Soybean response to gypsum is dependent on soil quality. James DeDecker, Michigan State University Extension - November 17, 2015. A second year of soybean research in Presque Isle County finds no significant yield response to gypsum application, contradicting 2014 results. A grower spreads gypsum, a source of sulfur, prior to soybean planting.

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  • How to Use Gypsum in Gardening

    Gypsum changes the soil composition through a process called flocculation. The gypsum enables the small and dense clay particles to join together to form bigger particles, more closely resembling loose sand. Another occasion when gypsum is often introduced in a garden setting is if the soil in your garden lacks calcium. The addition of gypsum ...

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  • Gypsum as an agricultural product | American Society of ...

     · But the use of gypsum that Dick studies might be unfamiliar to you: on farmland. "Gypsum is a good source of both calcium and sulfur, which crops need for good yields," says Dick. "We also found that it improves many other soil characteristics. Gypsum helps soil better absorb water and reduces erosion.

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  • Amending Soils with Lime or Gypsum (NRCS 333) | AgBMPs

    Amending Soils with Lime or Gypsum (NRCS 333) The use of lime and gypsum as soil amendments can enhance crop production. The two types of material provide different outcomes in the soil profile which are important to differentiate to know when and where to best utilize these products. Lime, also known as agricultural limestone, neutralizes soil ...

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  • How Gypsum Can Help Your Garden Grow

    The amount of gypsum you will need will depend on how you plan to use it and the conditions of your soil. At USA Gypsum, we recommend conducting a soil analysis to ensure the addition of gypsum will benefit your plants. USA Gypsum offers high-quality, recycled gypsum for all your lawn and garden needs, shipped right to your door.

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  • University Research on the Benefits of Gypsum in Agriculture

    When gypsum provides any one of the above benefits higher yields can be realized. The National Soil Erosion Laboratory at Purdue University in West Lafayette, IN has performed many research projects (Dr. Darrell Norton, et.al.) showing the benefits of gypsum on increasing water infiltration and improving soil …

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  • Gypsum, Using Gypsum in Gardening

    Gypsum is easy to apply. Just spread it on the lawn, using the granular type, with a lawn spreader at the rate of 40 pounds per thousand square feet. Gypsum fertilizer can be spread any time of the year and only one application per year is needed. To get it started working, water immediately after applying.

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  • The Role Of Gypsum In Agriculture: 5 Key Benefits You ...

    enhance crop production. As with other fertilizers and agricultural amendments, FGD gypsum must be used appropriately to avoid potential negative impacts on both agricultural production and the environment. In many respects, there are similarities between the agri-cultural use of FGD gypsum and nitrogen fertilizers in that both can provide crop ...

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  • The benefits of calcium sulfate as a crop & plant ...

     · Gypsum Benefits Plants Calcium Sulfate as a crop nutrient. Calcium sulfate is good for plants but generally no one thinks of it as a source of important source of plant nutrients. Generally everyone thinks of calcium sulfate, or gypsum, as a soil amendment and it is. But it much more than that – it is also a fertilizer that has nutrient value.

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  • Gypsum for Field Crops in New York

    released into the soil solution for uptake by plants. If a soil is Ca deficient for a specific crop, gypsum can be a good source of Ca to consider, especially when the pH of the soil is already high and the addition of Ca-containing materials is not desirable. Where the soil is deficient in S, gypsum is also a good supplement.

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  • How do farmers use gypsum?

    Gypsum is a wonderful soil amendment, and its good for a few different things. It''s a naturally mined product and can be used in organic systems. Gypsum''s primary use is to add calcium and sulfur to the soil without affecting pH. The primary (af...

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  • Fertilizer use by crop in Zimbabwe

    As an N-fixing crop, groundnuts supply N to the soil. Groundnuts need 300 kg/ha of Compound L at planting and a top-dressing of gypsum fertilizer at a rate of 150 kg/ha. Groundnuts take up nutrients at the following rates: 105 kg N/ha, 15 kg P 2 O 5 /ha, 27 kg Ca/ha, 18 kg Mg/ha and 42 kg K 2 O/ha (AGRITEX, 1982).

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  • AMENDING SOIL PROPERTIES WITH GYPSUM PRODUCTS

    When exchangeable aluminum below a 12-inch soil depth is greater than 1.0 milliquivalent/100 mg soil, apply gypsum at a rate recommended by the land grant university (LGU) or the Agricultural Research Service (ARS). Use a soil analysis for aluminum no older than 1 year to plan the appropriate application rate of the gypsum products.

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  • Gypsum as an agricultural product | Certified Crop Adviser

    But the use of gypsum that Dick studies might be unfamiliar to you: on farmland. "Gypsum is a good source of both calcium and sulfur, which crops need for good yields," says Dick. "We also found that it improves many other soil characteristics. Gypsum helps soil better absorb water and reduces erosion.

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  • Gypsum, Using Gypsum in Gardening

    Gypsum is easy to apply. Just spread it on the lawn, using the granular type, with a lawn spreader at the rate of 40 pounds per thousand square feet. Gypsum fertilizer can be spread any time of the year and only one application per year is needed. To get it …

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