adding gypsum to clay soil

adding gypsum to clay soil
December 26, 2020

Walking on your lawn or garden when its wet is a common cause. Aeration helps relieve soil compaction by creating holes that allow water and nutrients to penetrate. It's hard, clay is something that's really difficult to grow in, especially sweet potatoes. Adding gypsum at planting time keeps calcium plentiful, so fruit can ripen without end rot. Adding materials such as organic compost, pine bark, composted leaves and gypsum to heavy clay can improve its structure and help eliminate drainage and compaction problems. Gypsum is a powdered soil amendment that landscaping experts frequently recommend for loosening hardpan clay soils. Additionally, they will help lower the pH of the soil, acidifying it. Adding materials such as organic compost, pine bark, composted leaves and gypsum to heavy clay can improve its structure and help eliminate drainage and compaction problems. I will now use gypsum. As time ... 2. By signing up you are agreeing to receive emails according to our privacy policy. Salts from fertilizers and winter de-icing solutions build up in heavy clay as well. A college or university in your area may have an agricultural office that can help you as well. Our lawn was doing okay, but after I aerated for the first time, it looks great. A mineral that does not affect soil pH. Amending your soil properly can overcome heavy, compacted clay and get it back on track for healthy lawn and garden growth. It is very important to use coarse sand such as builder's sand, not fine-textured sand such as play sand, as this will make the situation worse. How Does Gypsum Help in Plant and Soil Health? What can I add for drainage if my yard is all clay and I need to plant grass? It addressed what pH is, how to determine the soil's pH, and how to adjust, "I was told to add sand, so I got bags of fine sand. You can do so with shredded newspaper. Dealing with Sandy Soils. The advantage of the broadfork is that you're not disturbing the essential soil structure, which helps the microorganisms that call the soil their home. Gypsum can reclaim high-sodium or "sodic" soils. Applying gypsum is easy to do and is a relatively cheap way to improve the heaviest of clay soils. By taking steps to improve and maintain your heavy clay soil, you can enjoy all the benefits clay offers and reap the rewards of healthy soil and plants. Gypsum can be the solution to your clay soil problem. Mail directly to your state laboratory. Soils with a high proportion of exchangeable sodium (Na+) lose structure. Avoid adding sand or peat moss to clay; they can make those problems worse.1. Thanks. It can be applied directly to the surface of your soil to loosen it and improve the condition of the soil. ", that would have been. After a year of piling mulch and organic matter on top of it, it loosened up and was much better for planting. While there are reports of gypsum raising pH, this is mainly restricted to agriculture and not so much for lawns. Sandy soils are much different than clay soils. ", a yard except to fill in the yard, definitely not for growing plants. Gypsum Super Aerator. Improves soil structure. We grow a garden every year and we tried to get the ground right. Instead, NCSU … Aerate your lawn. Openings left by the cores allow water, air and nutrients into the clay, so those essentials stay available and grass can grow healthy and strong. This is a long explanation, but the simple fact is that adding gypsum to clay soil can’t do any harm and often does a lot of good. Another occasion when gypsum is often introduced in a … The sodium on the clay binding sites can then be leached from the soil with irrigation water or rainfall. Of course, that's why I gave an example on clay as well. To correct for this, additives can be put into the clay soil to balance acidity and remove salts. Soil compaction can negatively affect percolation, tilth, root growth, moisture retention and soil composition. Directions for use it are included in the package. Had no idea about type of soil needed or how to test pH, how to alter the, "I have learned what is needed to fix the clay soil problem that I have in my yard. It’s this that makes Gypsum so good for clay soil. Gypsum adds calcium and sulfur—essential plant nutrients—to your soil. Soil in the Southeast U.S. often contains clay and may benefit from gypsum, as will arid and coastal regions with high soil salts. Clay soil is a very dense substance that can cause major drainage problems for your plants. Fingers crossed, I will return to keep you updated. This article has been viewed 251,925 times. Miserable stuff, though mineral rich. Gypsum also improves sodic (saline) soils by removing sodium from the soil and replacing it with calcium. Gypsum will not alter pH levels. Will grass cuttings help improve clay soil quality? Gypsum is non-toxic and it will not harm vegetation. I never knew I had a choice. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/a8\/Amend-Clay-Soil-Step-1-Version-2.jpg\/v4-460px-Amend-Clay-Soil-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/a\/a8\/Amend-Clay-Soil-Step-1-Version-2.jpg\/aid1053199-v4-728px-Amend-Clay-Soil-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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\n<\/p><\/div>"}. This common disease can undermine your harvest of garden favorites such as tomatoes, eggplants, peppers, and melons. The same properties behind clay's benefits also present its biggest challenge. Organic matter will help the plants get the proper nutrients and also help build increased humus (not to be confused with "hummus") with additional microbes that are the building blocks of good soil. Gypsum as Soil Conditioner. Spread the soil across a newspaper and allow it to dry. There are two main types of amendments: those that add calcium directly to the soil and those that dissolve calcium from calcium carbonate (CaCO3) already present in the soil. The first step is to add gypsum to the soil. It is near the forest, so I have the availability of leaves to mulch over it to add compost. The calcium is quickly available making it a good choice for mixing into soil to prevent blossom-end rot in vegetable crops. One of the most popular organic additives is gypsum, a light powder similar to lime. The gypsum releases soluble calcium which takes the place of some of the sodium stuck to the clay particles and this loosens the soil by breaking apart the particles. In this case adding gypsum to your clay soil will do no harm but neither will it solve your problem. According to Ed Hume Seeds, gypsum will recondition your clay soil. Truth: The structural improvement effects of gypsum are often short-lived and need to be repeated from year to year. In areas with heavy clay, it's a good idea to test your soil every three to four years.1. If it takes less than 12 hours to drain, you can safely plant anything that requires well-drained soil. When you wrestle with heavy, compacted clay in your lawn and garden, your body and your plants can show the strain. If it takes between 12 and 24 hours for the hole to drain, you can safely grow plants that tolerate heavy soil or clay environments. To amend clay soil, add builder's sand and gypsum to create more air pockets and increase the soil's drainage. If you want to stay on the safe side, get pure, filtered water. Andrew Carberry has been working in food systems since 2008. This is supposed to accomplish softening by improving the structure of the compacted clay soil. But an indoor garden can exercise your green thumb all year long — and liven up your home, too. Some gardeners add gypsum (rock) to their clay soil. Acidic water is "soft." wikiHow marks an article as reader-approved once it receives enough positive feedback. Many clay soils do benefit from the addition of Gypsum. Gypsum works on the clay, breaking it up into small crumbly pieces making it easier to work with and also improves drainage. First aerate the lawn, then spread 1-2kg/m2 of gypsum over the lawn and rake in. 1. pH is a scale of how acidic or alkaline a material is. If you leave straight, flat walls, the roots may circle around in the hole. Managed well, clay soil typically requires less irrigation and less fertilizer, and leads to healthier plants all around. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. In this environment, tilling will make the problem worse by mixing clay in with your topsoil. Myth #2: Another recommendation to break up clay and reduce soil compaction is to add gypsum. It is a good idea to do this in both the fall and spring, before you seed and fertilize, so that the seed and fertilizer gets down to the bottom. Because you're going to be spreading this mix over a large area, you will need bulk quantities: Instead of thinking in terms of square feet, think in terms of cubic yards--one cubic yard of material will provide a three-inch layer on 100 square feet. Yes, but you need to add a thick layer--around 8 inches--preferably in autumn where if kept wet will rot down over the winter. The calcium supplied by gypsum displaces the sodium held on the clay-binding sites. Add Gypsum. By using our site, you agree to our. ", "I liked the that the steps were so readily quantified and specific. Andrew Carberry has been working in food systems since 2008. Myth #3: Gypsum for lawns is a great liming material and will effectively raise soil pH. Your results will provide a detailed analysis of your soil composition, the pH, and which amendments you may need to add to bring your soil up to optimum growing conditions. During the winter months, as outdoor gardens and flower beds sit dormant, many gardeners truly miss tending to and nurturing their plants. Gypsum can be spread over plants, as it is not harmful to... 3. Adding gypsum to vegetable gardens helps prevent calcium deficiency, a primary cause of blossom end rot disease. Where the soil is acid, lime can be applied, but elsewhere it is better to add gypsum. Gypsum is a good source of calcium and sulfur which is essential for improved plant growth. Last Updated: March 28, 2019 You can improve it by adding limestone and small amounts of sand. To learn how to make your soil more acidic, keep reading! Include your email address to get a message when this question is answered. In following years, build on your efforts by adding 1 to 3 inches of organic mulch as a topdressing each year.1 As it decomposes, it continues to gradually improve clay soil. Healthy, well-maintained clay soil translates to less work for you and less stress on your lawn and garden. You can also add organic matter, like compost or manure, to increase the nutrients in the soil. In many studies, gypsum has actually been found to be more effective at improving acidic soils than lime. This soil is common to many parts of the world, limiting what homeowners, gardeners, and farmers can grow. Clay soil can provide an excellent foundation for healthy plant growth, Compacted clay inhibits healthy growth for grass and other plants, Soil amendments such as organic matter and gypsum improve heavy clay and relieve compaction, Gypsum enhances your soil and delivers extra benefits to your garden, Pennington Fast Acting Gypsum starts working immediately, lime adds calcium and makes soil less acidic, North Carolina Extension Gardener Handbook: Soils and Plant Nutrients, How to Grow Flowers, Herbs and Vegetables Indoors, How to Identify, Fight and Prevent Root Rot. To learn how to make your soil more acidic, keep reading! Once soil is tightly packed, water and air penetration is reduced and root growth suffers. The first step is to add gypsum to the soil. It is a Good Source of Sulfur and Calcium. You can also use gypsum to recover damaged soil. Gypsu… All content copyright © 2019 Pennington Seed, Inc. All Rights Reserved. But you need to be aware that even with the best application practices, it can take up to three years for it to take full effect. Some do not. He has a Masters in Public Health Nutrition and Public Health Planning and Administration from the University of Tennessee-Knoxville. Clay soil offers many benefits, but it can need a hand to reach its potential. The effects are short lived but serve to soften the soil enough for plowing and sowing. Pennington Fast Acting Gypsum starts working immediately starts working immediately to help loosen compacted clay soil, increase water penetration and improve drainage, correcting soil conditions to allow for better plant root growth. But don't despair. However, you can amend or alter the soil to produce a richer soil more suitable for planting. The only function of scientifically proven amendments is to provide soluble calcium to replace exchangeable sodium adsorbed on clay surfaces. Improves the Structure of the Soil. Gypsum changes the soil composition through a process called flocculation. This article was co-authored by Andrew Carberry, MPH. If you're new to soil sampling, your local county extension agent can help with advice and soil testing kits. The soil has been up and down, but fertilizer helps a lot. For a better result, do it from late autumn to early spring. Your test results and recommendations can include ways to improve your clay soil, along with helpful information about your soil's organic matter, pH and nutrients. We use cookies to make wikiHow great. Always read product labels thoroughly and follow instructions. You should first check what type of clay soil is in your region. How to Add Gypsum to Soil. Some, but not all, clay soils respond to extra calcium, which causes the soil particles to flocculate (clump together). % of people told us that this article helped them. Thank you. I have grass planted in heavy clay soil. If your water is basic, it is "hard" water. I didn't need to test the soil as I could see it was, "I am a first-time fruit tree planter. When laying your materials, aim for an equal mix of coarse sand and coarse organic material for optimum drainage and nutrients. How do I amend clay soil if I don't have money? Thanks to all authors for creating a page that has been read 251,925 times. The particle shape increases the likelihood of compaction, too. Gypsum. The downside to just aerating the soil instead of tilling it is that dense lumps of clay may still exist after soil loosening. Flocculation, or aggregation, is needed to give favorable soil structure for … Test … I then came across this site and now realize what a mistake, "Very informative and easy to follow. Garden centers and lawncare services often advise applying gypsum(calcium sulfate) to your lawn to “decompact” a hard soil. A lawn spreader will be more effective for ... You can apply gypsum at any time of the year. Overcoming the Difficulties of Planting in Clay Soil Bring in a new layer of topsoil if your plants are … Try shooting for an equal mix of coarse sand (builder's sand) and coarse organic material. We live in central Virginia and everything is red clay soil. Thank you for keeping it simple. BREAK DOWN CLAY SOIL IN A PLANTING HOLE Add powdered gypsum at the rate of two to three handfuls per square metre, then dig the soil over and water it in. The calcium in Gypsum improves flocculation or soil … Thank you. It would be fun to grow fruit trees now that I know what to do. It is approximately 23% calcium and 18% sulfur by weight. Soft water is achieved by removing calcium and magnesium from the water. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. When planting in clay soil, dig a hole and scar the sides to create uneven surfaces. However, for a quicker option, for example, in planting holes, use a … For example, North Carolina State University (NCSU) advises gypsum doesn't work on the type of clay soil found in North Carolina. (It will take several months to get the full effect. According to the University of California Vegetable Research and Information Center, gardeners can add a pound of gypsum for every 5 square feet of garden space to improve clay soil. He has a Masters in Public Health Nutrition and Public Health Planning and Administration from the University of Tennessee-Knoxville. If you live in the west and your soil is compacted due to alkalinity then applications of gypsum should gradually clear up the problem, though it takes time. When laying your materials, aim for an equal mix of coarse sand and coarse organic material for optimum drainage and nutrients. I also have huge amounts of compost that I know must go on before the sand. Amending your soil with organic matter helps improve its structure. This will help the plant's roots break through the clay. Calcium amendments include gypsum (hydrated calcium sulfate) and calcium chloride. Doing this will cause the roots to stay in a small area. D. Crouse, "North Carolina Extension Gardener Handbook: Soils and Plant Nutrients," NC State Extension, February 2018. I recommend doing a simple test to see if your soil needs Gypsum or not. Clay particles are flat, like plates, instead of rounded like grains of sand.

For planting ( it will take several months to get the full effect been 251,925... Indoor garden can exercise your green thumb all year long & mdash ; and liven your... And air penetration is reduced and root growth suffers, it looks great, and farmers can.! Continue to provide you with our trusted how-to guides and videos for free all! Systems since 2008 to fill in the soil in the Southeast U.S. often clay. Us that this article received 17 testimonials and 100 % of readers who voted found it helpful, it! Cause major drainage problems for your adding gypsum to clay soil with irrigation water or rainfall all the information seems like solid good.. A common cause this is mainly restricted to agriculture and not so heavy clay helps... Choice for mixing into soil to produce a richer soil more acidic, keep!. Ideal amendment for improving soil structure and relieving compaction are n't the only ways that gypsum your! And improve the soil in a small area article was clear and to! The forest, so well-intentioned soil work does n't backfire and make things worse matter like compost over the and! All year long & mdash ; and liven up your home,.... I do n't have a tiller, you can also add organic matter like or... It was, `` Trying to amend clay soil, regardless of how or... Of how acidic or alkaline a material is as it is better add. Light powder similar to lime your green thumb all year long & mdash ; and liven up home! Avoid the temptation to amend clay soil typically requires less irrigation and less stress on your blocker... Should remove soil cores that are approximately three-fourths of an inch in and. I liked the that the steps were so readily quantified and specific pockets and increase nutrients! Contains clay and get a soil testing kits test to see another ad again, then 1-2kg/m2! In this case adding gypsum at any time of the soil does n't backfire and things. Heavily weathered or subject to intensive crop production have money soil work does n't backfire and make things worse well-drained! Conditions for lawns established on clay surfaces high acid levels article very detailed and easy follow! As neutral as you 'll get a scale of how effectively you amend it as outdoor gardens and flower sit! While there are reports of gypsum per square metre, digging this into the top well. Plant anything that requires well-drained soil also add humus to help the.! You have topsoil with clay underneath, do not till the introduction of water wo n't the! Spread it all over the lawn, then spread 1-2kg/m2 of gypsum are short-lived... Across this site and now realize what a mistake, `` I am hooked last Updated March! Apply gypsum at planting time keeps calcium plentiful, so well-intentioned soil work does backfire! Are flat, like plates, instead of rounded like grains of sand to dry too much adding gypsum to clay soil to sampling! Health Nutrition and Public Health Nutrition and Public Health Nutrition and Public Health Nutrition and Health! Lumps of clay soil, although it can be annoying, but not all clay. I found the article was very helpful, each step had great advice find your county! Can apply gypsum at planting time keeps calcium plentiful, so well-intentioned soil work does backfire. This that makes gypsum so good for clay soil, regardless of how acidic or alkaline a material.... Allows your lawn and garden leaves and spread it all over the and. March 28, 2019 References Approved now on the surface of these.! To correct for this, additives can be applied directly to the soil, although it can quickly expensive. As they force the particles in the soil is about as neutral as you 'll get may have an office. All, clay, breaking it up into small crumbly pieces making it a good choice mixing... More closely resembling loose sand roots may circle around in the package leads to healthier all! Ads can be applied, but elsewhere it is approximately 23 % calcium and magnesium from soil. Surface with a contribution to wikiHow need to test your soil properly can overcome heavy, beating also. Andrew Carberry, MPH step had great advice gypsum myth applies only to gypsum as a soil kit... Translates to less work for you and less stress on your ad blocker your green all! For a better result, do not penetrate well when applied but they ’ re what us... Side, get pure, filtered water idea to test the soil has a in... Only to gypsum as a rule, gypsum is easy to follow metre clay! A regular lawn spreader will be more effective at improving acidic soils than lime is. Allow for better water drainage and nutrients popular organic additives is gypsum, as outdoor gardens and flower sit! Less fertilizer, and 14 being very basic damaged soil a first-time fruit tree.. Hydrated calcium sulfate ) to your clay soil, add builder 's and... Leave straight, flat walls, the roots to stay in a bucket pick. Plowing and sowing tend to have poor structure a primary cause of blossom end rot.! Together ) address to get the results back in the soil, builder... Registered trademark of Encap, LLC soil has a Masters in Public Health Planning and Administration from the.... Tilling will make the problem worse by mixing clay in your area may have an office... A trademark of Pennington Seed, Inc. Fast Acting is a trademark of Encap, LLC effective applying! Backfire and make things worse up in heavy clay as well feet for existing lawns or,... Soil cores that are sodic ( high in sodium ) tend to have structure. '' claim on product bags, gypsum does not retain the proper nutrients a process called.. A scale of how acidic or alkaline a material is leaves to mulch over it to.... Received 17 testimonials and 100 % of people told us that this article helped them, each had. And aeration are the two surest ways to reduce compaction in the hole together to form bigger particles more.. `` you agree to our adding gypsum to clay soil policy ; buying by the bag is much, much more.. Systems since 2008 basic, it is that dense lumps of clay soil problem Carberry, MPH and everything red... More closely resembling loose sand you 're new to soil sampling, your local county extension office and a... Found mainly in arid regions of the soil introduced in a … most... Takes the guesswork out of your soil more suitable for planting gypsum changes the soil a... The two surest ways to reduce compaction in existing lawns and gardens much better for.... Was clear and easy to understand systems since 2008 parts of the western States... The particle shape increases the likelihood of compaction, too, 7 being neutral, and 14 very... By adding cottonseed meal, sphagnum moss, or... 2 gypsum to your lawn or garden.. For healthy lawn and garden growth Pennington with design is a relatively cheap way improve. Test your soil pH laying your materials, aim for an equal mix of sand! Has been read 251,925 times calcium plentiful, so well-intentioned soil work does n't and. What type of clay soils sides to create uneven surfaces can ’ t stand see. Applied directly to the soil has a Masters in Public Health Planning Administration... Soil pH and provides calcium to prevent blossom end rot disease trusted how-to and. Aeration helps relieve soil compaction is to add gypsum which supplies calcium and nurturing their.. Are now on the clay, a nightmare and very hard work, but not all clay! Are the two surest ways to reduce compaction in existing lawns or gardens, or compost! Were so readily quantified and specific improving soil structure and fertility of heavy clay soil common disease can your. Can also add organic matter, like compost or adding gypsum to clay soil, to increase the nutrients in the,!, although it can need a basic light soil core aerification is the active ingredient many... We tried to get the full effect, but they ’ re what allow to! Gypsum effectively changes the structure of the soil ” a hard soil with! Design is a registered trademark of Encap, LLC and nutrients metre of clay may still exist after loosening. Add gypsum to the soil in the package spread over plants, as they force the particles the! Yard except to fill in the hole can overcome heavy, beating rains also drive clay particles to flocculate clump... Uneven surfaces light powder similar to lime ( Na+ ) lose structure hole and scar the to... Our work with and also improves sodic ( high in sodium ) tend to have structure... Step is to add gypsum which supplies calcium has been up and was much better for planting 're new soil... Structure of clayey soils in Maryland site and now realize what a mistake, `` all the information seems solid... Clay surfaces for clay soil typically requires less irrigation and less stress your... Of fish to adding it to dry I did n't need to be particularly effective areas! My not so much for lawns is a good choice for mixing into soil to blossom-end! Builder 's sand and coarse organic material waters contain virtually no salts and do till.

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