The Role Of Gypsum In Agriculture: 5 Key Benefits You Should Know

While farmers have used gypsum (calcium sulfate dihydrate) for centuries, it has received renewed attention in recent years. This resurgence is due in large part to ongoing research and practical insights from leading experts that highlight the many benefits of gypsum.

The latest information on gypsum was the focus of the third annual Midwest Soil Improvement Symposium in Ada, OH, in March. The one-day event was held in conjunction with The Ohio State University’s Conservation Tillage and Technology Conference and sponsored by GYPSOIL — a leading supplier of synthetic gypsum. More than 200 attendees heard from industry representatives, scientists, consultants and growers on the use of gypsum to improve soil structure, reduce nutrient runoff and more.

Major Benefits Of Gypsum

Here are five key (and overlapping) benefits of gypsum highlighted at the symposium:

1. Source of calcium and sulfur for plant nutrition. “Plants are becoming more deficient for sulfur and the soil is not supplying enough it,” said Warren Dick, soil scientist and professor, School of Environment and Natural Resources, The Ohio State University. “Gypsum is an excellent source of sulfur for plant nutrition and improving crop yield.”

Meanwhile, calcium is essential for most nutrients to be absorbed by plants roots. “Without adequate calcium, uptake mechanisms would fail,” Dick said. “Calcium helps stimulate root growth.”

2. Improves acid soils and treats aluminum toxicity. One of gypsum’s main advantages is its ability to reduce aluminum toxicity, which often accompanies soil acidity, particularly in subsoils. Gypsum can improve some acid soils even beyond what lime can do for them, which makes it possible to have deeper rooting with resulting benefits to the crops, Dick said. “Surface-applied gypsum leaches down to to the subsoil and results in increased root growth,” he said.

3. Improves soil structure. Flocculation, or aggregation, is needed to give favorable soil structure for root growth and air and water movement, said Jerry Bigham, Professor Emeritus, School of Environment and Natural Resources, The Ohio State University. “Clay dispersion and collapse of structure at the soil-air interface is a major contributor to crust formation,” he said. “Gypsum has been used for many years to improve aggregation and inhibit or overcome dispersion in sodic soils.”

Soluble calcium enhances soil aggregation and porosity to improve water infiltration (see below). “It’s important to manage the calcium status of the soil,” he said. “I would argue it’s every bit as important as managing NPK.”

In soils having unfavorable calcium-magnesium ratios, gypsum can create a more favorable ratio, Bigham added. “Addition of soluble calcium can overcome the dispersion effects of magnesium or sodium ions and help promote flocculation and structure development in dispersed soils,” he said.

4. Improves water infiltration. Gypsum also improves the ability of soil to drain and not become waterlogged due to a combination of high sodium, swelling clay and excess water, Dick said. “When we apply gypsum to soil it allows water to move into the soil and allow the crop to grow well,” he said.

Increased water-use efficiency of crops is extremely important during a drought, added Allen Torbert, research leader at the USDA-ARS National Soil Dynamics Lab, Auburn, AL. “The key to helping crops survive a drought is to capture all the water you can when it does rain,” he said. “Better soil structure allows all the positive benefits of soil-water relations to occur and gypsum helps to create and support good soil structure properties.”

5. Helps reduce runoff and erosion. Agriculture is considered to be one of the major contributors to water quality, with phosphorus runoff the biggest concern. Experts explained how gypsum helps to keep phosphorus and other nutrients from leaving farm fields. “Gypsum should be considered as a Best Management Practice for reducing soluble P losses,” said Torbert, who showed studies on how gypsum interacts with phosphorus.

Darrell Norton, retired soil scientist at the USDA-ARS National Soil Erosion Research Laboratory at Purdue University, added: “Using gypsum as a soil amendment is the most economical way to cut the non-point run-off pollution of phosphorus.”

Topics: ,

Leave a Reply

7 comments on “The Role Of Gypsum In Agriculture: 5 Key Benefits You Should Know

  1. The symposium speakers included spporting data in their presentations. You can find videos of all the presentations given at the 2013 symposium by going to the GYPSOIL website at this link:http://www.gypsoil.com/improving-your-soil/midwest/midwest-soil-improvement-symposium/2013-symposium

    Also, GYPSOIL maintains a large Research Library of peer-reviewed research papers; proceedings, bulletins and research reports; slide sets and popular press articles at the link below. It is easy to search the Library for specific topics pertaining to gypsum such as water infiltration, aluminum toxicity, sulfur, erosion, etc. You can also search by state and researcher name. Find the Library at this link: http://www.gypsoil.com/research-library?&filterCrop=&filterFocus=&filterState=&filterCategory=&filterKeyword=&pagenum=6

  2. Could I mix the Gypsum into the NPK mixtures? Is Gypsum suitable to use in Tropica soil, for Palm oil Tree?

Micronutrients Stories
MicronutrientsMicronutrients Going Macro
September 9, 2014
Between 2014’s fantastic growing conditions and a heightened awareness on plant nutrition, the major players in micronutrients are gearing up for another big year. Read More
MicronutrientsReport: Demand For Zinc As Micronutrient In Agriculture Grows
May 12, 2014
Zinc is becoming more important to increasing crop yields as global population and food consumption continue to rise. Read More
Sulfur Deficiency In Corn
Micronutrients3 Key Questions For Sulfur Application
February 3, 2014
Match sulfur supply to corn crop’s needs to maximize yields and fertilizer dollars. Read More
Micronutrients11 Tips For Effective Fall Application Of Gypsum
September 26, 2013
Spreading gypsum – which often occurs in late fall, after harvest – is simple if you follow these basic steps from GYPSOIL. Read More
Top 100 Articles
CropLife 100The Andersons Acquires South Dakota Plant Nutrient Manufacturer Kay-Flo
May 20, 2015
The Andersons, Inc., ranked No. 22 on the CropLife 100, has purchased Kay Flo Industries of North Sioux City, SD. “This Read More
CropLife 100North Central Farmers Elevator, Wheat Growers Unification Approved By Board, Still Awaits Member Approval
May 13, 2015
The Boards of Directors for North Central Farmers Elevator (NCFE) and Wheat Growers (WG) have voted to approve the Unification Read More
CropLife 100AgGateway’s Barcoding Initiative Progressing Nicely
May 8, 2015
According to legend (or Wikipedia), the first step towards modern bar codes came back in 1948, when Bernard Silver, a Read More
CropLife 100Pinnacle Agriculture Acquires Minnesota Retailer
April 14, 2015
Pinnacle Agriculture Holdings, LLC, ranked No. 6 on the CropLife 100,  has successfully acquired Liebl Ag, LLC in Ada, MN.  Read More
CropLife 100CHS, Aurora Cooperative Complete Fertilizer Storage, Grain Shuttle Loading Facility
April 13, 2015
CHS Inc., the nation’s leading cooperative and ranked No. 5 on the CropLife 100, and Aurora Cooperative (ranked No. 21) Read More
CropLife 100GROWMARK Acquires Missouri Refined Fuels Terminal
April 2, 2015
Bloomington, IL-based GROWMARK and Magellan Pipeline Co. have entered into an agreement in which GROWMARK will acquire the refined fuels Read More
Latest News
Bayer CropScience, ILeVO
Crop InputsISU: ‘Halo Effect’ From ILeVO Soybean Seed …
May 28, 2015
Farmers who were lucky enough to plant soybeans and spray pre-emergence herbicides in between rain events may now be seeing Read More
ManagementCorn Planting/Monsanto-Syngenta Update; New PrecisionAg…
May 28, 2015
Eric Sfiligoj and Paul Schrimpf give updates on corn planting progress, the latest on Monsanto-Syngenta rumors and preview a brand Read More
Waterhemp in soybean stubble
HerbicidesEPA Signs Off On Monsanto’s Warrant Ultra Premix
May 27, 2015
Soybean and cotton growers looking for new tools to manage weeds will have a new, first-of-its-kind option in 2016 with Read More
Palmer pigweed seedhead in cotton
HerbicidesSTUDY: Weed Diversity Primarily Influenced By Geography
May 27, 2015
The potential long-term impacts of glyphosate-resistant crops on biodiversity of the agricultural landscape have been the subject of controversy. A Read More
Seed/BiotechAgrilead Forms Distribution Alliance With Kansas-Based …
May 27, 2015
Agrilead, Inc. announces the formation of a strategic alliance with KALO, Inc. of Overland Park, KS. Through the alliance, KALO Read More
EquipmentPrecision Tank Announces A&B Welding Acquisition
May 27, 2015
Precision Tank, a specialized tank and equipment manufacturer, announced today the acquisition of A&B Welding of Thompson, IA, a manufacturer Read More
Allied Cooperative Grain Plant
ManagementTraining Program Gives First Responders Skills For Grai…
May 27, 2015
When stored grain forms hard bridges, columns and other irregularities, those working to correct it find themselves at risk of Read More
Industry NewsBASF Sponsors Space Farming Research Project
May 26, 2015
Is it possible to produce large quantities of high quality vegetables on a space station, about 320 kilometers away from Read More
FertilizerTexas Ammonium Nitrate Bill Passes Senate, Heads To Gov…
May 26, 2015
The Texas State Senate gave final approval last Thursday to new regulations for ammonium nitrate, reports The Dallas Morning News Read More
Young corn plants
Industry NewsArysta Europe Details New Organizational Structure
May 26, 2015
Arysta LifeScience Europe recently announced a new organizational structure to leverage its scale and accelerate the company’s growth in this Read More
Syngenta Sign
Eric SfiligojMonsanto-Syngenta Could Hinge On A Judgment Of Solomon …
May 26, 2015
In the bible, the reputation of King Solomon’s wisdom in matters of despite comes from a tale of one child Read More
ManagementA New Sprayer Company & UAV Research In The Spotlig…
May 21, 2015
CropLife’s Paul Schrimpf and Eric Sfiligoj talk about a Dutch sprayer manufacturer entering the U.S. with a super-sized entry and Read More
HerbicidesFirst U.S. Sale Of Enlist Duo Herbicide Made By Dow Agr…
May 21, 2015
Dow AgroSciences has recorded the first U.S. sale of Enlist Duo herbicide with Colex-D Technology. This marks the first commercial Read More
CropLife 100The Andersons Acquires South Dakota Plant Nutrient Manu…
May 20, 2015
The Andersons, Inc., ranked No. 22 on the CropLife 100, has purchased Kay Flo Industries of North Sioux City, SD. “This Read More
EquipmentNORAC Options Coming To TerraGator
May 19, 2015
Utilizing NORAC’s Standard Control technology, boom height control is now available for TerraGators with Airmax Precision 2 and Benson Booms. This Read More
Crop InputsHelena Introduces New Soil Health Product
May 19, 2015
Helena Chemical Co. is helping agricultural producers maximize yields and efficiency with the introduction of Liquid Chisel, a new product Read More
Stewardship4R Nutrient Management Planning Certification Now Avail…
May 19, 2015
The American Society of Agronomy (ASA) and the International Certified Crop Adviser (ICCA) program announce a new specialty certification in Read More
Environmental Defense Fund logo
Paul SchrimpfEnvironmental Defense Fund: Appreciating Partners
May 19, 2015
I WAS deep in the throes of preparation for the Commodity Classic meeting that took place this past February, trying Read More