Use of FGD Gypsum Soil Amendments for Improved Forage and Corn Production Warren A. Dick, Liming Chen and David Kost The Ohio State University [email protected], 330-263-3877 http://www.oardc.ohio-state.edu/agriculturalfgdnetwork/ http://www.oardc.ohio-state.edu/soilbiolab/ Corn/Forages Production and Gypsum Sulfur Nutrition Soil Chemical Properties Soil Physical Properties Corn Production and Gypsum Corn (Chemical Properties) Corn Yield (Bu/acre) 120 100 Sodic Soil 106 80 60 66 40 20 0 Control Gypsum Treatments (Fehrenbacher et al., Illinois Res., Spring, 3-4, 1972) 6 300 5 250 4 200 Uganda Soil 3 2 Tennessee Soil 100 Dashed Lines: Mn Concentrations Solid Lines: Millet Yields 1 0 150 50 P P + Gyp 0 Mn Tissue Concentrations (ppm) Yield (g/pot) Millet (Surface Acidity and Plant Nutrition) Treatments (McLean and Ssali, Soil Sci., 123:155-164, 1977) Corn (Subsoil Acidity) Grain Yield (Bu/acre) 120 115 116 110 105 100 95 98 90 85 Lime Lime + Gypsum Treatments (Farina and Channon, Soil Sci. Soc. Am. J., 52:175-180, 1988) Corn (Surface and Subsurface Acidity) 60 Grain Yield (Bu/acre) Amazon Basin, Brazil 50 52 No Lime Lime 40 43 30 30 20 10 0 17 Control Gypsum Treatments (Smyth and Cravo, Agron. J., 84:843-850, 1992) Corn (Sulfur Nutrition) Minnesota Soils 1985 1986 (Rehm, Commun. Soil Sci. Plan Anal., 24:285-294, 1993) Corn (Subsoil Acidity) Corn Grain Yield (Mg/ha) 12 Control Gypsum 10 10.1 8 6 8.5 6.7 6.6 4 2 0 Experiment 1 (16 yrs prior) Experiment 2 (15 yrs prior) (Toma et al., Soil Sci. Soc. Am. J., 39:891-895. 1999) Corn (Subsoil Acidity) Corn Grain Yield (Bu/acre) mean of 10 years 120 B 100 107 A 80 86 60 40 20 0 Lime Lime + Gypsum Treatment (Farina et al., Soil Sci. Soc. Am. J., 64:646–651 (2000) Corn (Sulfur Nutrition) Grain Yield (Mg/ha) 8 7 6 5 4 3 0 20 40 60 80 100 120 Sulfur (as gypsum) Additions (kg/ha) (Khan et al., Commun. Soil Sci. Pl. Anal., 37: 41–51, 2006) Average Corn Yield (Mg ha-1) Corn (Sulfur Nutrition) 9.0 S No S 8.5 8.0 7.5 7.0 6.5 6.0 Y=5.80+0.029x-0.00009x2 (R2=0.85) 2 2 Y=5.19+0.021x-0.00003x (R =0.96) 5.5 5.0 0 50 100 150 200 250 -1 N Rate (kg ha ) (Chen et al., Soil Sci. Soc. Am. J., In Press, 2008) Wheat (Sulfur Nutrition) Wheat Yield (Mg/ha) 4.6 4.5 Hennessey Site (1998) 4.4 Grain yield was significantly influenced by applied S as CaSO4 in six of 14 site-years 4.3 4.2 4.1 4.0 0 56 112 224 Gypsum (kg S/ha) (Girma et al., J. Plant Nutr., 28:1541–1555 (2005) Wheat (Plant Nutrition) 3500 Yield (lbs/acre) 3000 25 lbs P/acre 50 lbs P/acre Haskell, OK 2500 2000 1500 1000 500 0 0 Banded Broadcast Gypsum Treatments (Phillips et al., J. Plant Nutr., 23:251-261, 2000) Forages Production and Gypsum Alfalfa (Sulfur Nutrition and Nematode Control) Alfalfa Yield (tons/acre) 7.6 7.4 Alabama Field 7.4 7.2 7.0 6.8 6.6 6.4 6.2 6.3 6.0 5.8 5.6 0 5 Gypsum Treatment (tons/acre) (Mitchell and Ball, Alabama Agri. Exp. Station, Spring, 1972) 8 700 7 600 Yield (g/pot) Tennessee Soil 6 500 5 400 4 Uganda Soil 300 3 200 2 1 0 Dashed Lines: Mn Concentrations Solid Lines: Millet Yields P 100 P + Gyp 0 Mn Tissue Concnetrations (ppm) Alfalfa (Surface Acidity and Plant Nutrition) (McLean and Ssali, Soil Science, 123:155-164, 1977) Forages (Subsoil Acidity) 7 Tops Roots Greenhouse Study 6 6.1 Yield (g/pot) 5.7 5 5.4 4 3.9 3 4.2 3.7 2 1 0 Control Lime Gypsum Treatments (Black and Cameron, New Zealand J. Agric. Res. 27:195-200, 1984) Forages (Subsoil Acidity) Alfalfa Yield (tons/acre) 5.0 4.8 4.9 Appling Soil, Georgia 4.6 4.4 4.2 4.0 4.1 3.8 3.6 Lime Gypsum + Lime Treatment (Bouton, Crop Science, 26:334-336, 1986) Mean of Five Crops (tons/acre) Forage Yield Forages (Soil Chemical/Physical Properties) 18 16 Sodic Soil in India 14 12 14.5 15.5 12.6 10 8 6 4 2 0 0 2.3 4.6 Gypsum Treatment (tons/acre) (Kumar, Expl Agric., 24:97-103, 1988) Dry Matter Yield (kg/ha) Forages (Sulfur Nutrition) Sulfur Applied (kg/ha/year) (Mitchell and Blue, Agron. J., 81:53-57, 1989) Corn Silage (Sulfur Nutrition) Forage Yields (tons/acre) 4.8 4.73 4.7 4.67 4.6 4.5 4.4 4.39 4.3 4.2 0 21 42 Gypsum Treatment (lbs S/acre) (Kless et al., Grass and Forage Science, 44:277-281, 1989) Forages (Soil Physical Properties) Corn Forage (tons/acre) 18 16 Sodic Soil in India 17.1 14 12 12.7 10 8 6 4 2 0 Control Gypsum Treatment (Kumar, Expl Agric., 26:185-188, 1990) Forages (Subsoil Acidity) Dry Matter Yield (kg/ha) 1200 1000 Sodic Soil in India 1020 800 600 400 626 419 200 0 Control Gypsum Gypsum plus Drainage Treatment (Gupta and Arya, J. Arid Environ., 30:67-73 (1995) Forages (Subsoil Acidity) Alfalfa Yields (kg/ha) 7 Ag Gypsum 6 5 5.8 4.9 FGD Gypsum 6.1 5.1 5.7 5.1 5.2 4 3 16 21 2.4 2 1 14 1.6 3.6 Rayne Soil, PA 0 Control 4.5 9.0 18 4.5 9.0 Soluble Al content in the 45-60 cm soil layer was decreased 43% by treatment regardless of gypsum source. 18 Treatments (Mg/ha) Stout and Priddy, Commun. Soil Sci. Plant Anal., 27:2419-2432, 1996) Forages (Subsoil Acidity) Alfalfa Yield (Mg/ha) 10 Control Gypsum 9.1 8 6.8 6 5.3 4 3.9 2 0 Experiment 1 (16 yrs prior) Experiment 2 (15 yrs prior) Toma et al., Soil Sci. Soc. Am. J., 39:891-895, 1999) Forages (Chemical and Physical Properties) A study in Wisconsin using wallboard gypsum (16 tons/acre) showed a positive trend for increased yield of alfalfa at three of four locations (Wolkowski, Commun Soil Sci. Plant Anal., 31:187-199, 2000) Forages (Subsoil Acidity) Achievements in management and utilization of southern grasslands CARL S. HOVELAND J. Range Manage. 53:17-22 January 2000 Grasslands in the humid southern USA are utilized primarily for grazing on improved pastures, most of which were developed since the 1930s and 1940s. Future areas of emphasis in improvement of these grasslands may include: (a) greater use of grazing-tolerant grasses and legumes; (b) stress-tolerant tall fescue with "friendly" non-toxic endophytes; (c) feed antidotes to the toxins of endophyte-infected tall fescue; (d) use of herbicide-and pest-resistant biotechnology genes in forage plants; (e) use of gypsum to alleviate subsoil acidity and improve rooting depth of aluminum-sensitive forage cultivars; (f) greater use of computers in information access and decision making by livestock producers; (g) greater use of forages for wildlife food; (h) breeding of pasture plants with greater winter productivity; (i) development of a perennial grass biomass energy industry for electrical generation and liquid fuel production. Forages (Subsoil Acidity) 8.8 Production Phase Yield (Mg/ha) 8.6 8.4 8.2 Yield attributed to calcium carbonate equivalency due to impurity in the gypsum 8.0 7.8 7.6 0 10 20 30 Gypsum (Mg/ha) (Ritchey and Snuffer, Agron. J., 94:830–839 (2002) Forages (Quality) 200 Daily Gain (g/day) 180 N (0) N (138) 160 140 120 100 80 60 40 20 0 S (0) S (60) Treatment (Wang et al., Nutr. Cycl. Agroecosystem, 62:195–202 (2002) Forages (Sulfur Nutrition) Alfalfa Yields (Mg/ha) 25 22 19 A B B A 16 13 10 Control V-FGD P-FGD Gypsum Treatments (Chen, Dick and Nelson, Jr., Agron. J., 97:265-271, 2005) Forage Yield (Mg/ha) Forages (Sulfur Nutrition) 3.7 3.6 Sodic Soil in Coastal Canada 3.7 3.5 3.4 3.4 3.3 3.2 O 40 Gypsum Treatment (kg S/ha) (Zheljazkov et al., J. Environ. Qual., 35:2410–2418 (2006) Conclusions The scientific literature contains numerous examples of corn grain yield and forage yield benefits associated with use of gypsum. Benefits for corn and forages seem to be mostly associated with increased sulfur nutrition and reduced subsoil acidity. Treating sodic soils with gypsum increases productivity of the soil for crop production. Benefits of gypsum use may persist for several years after application to soil. Inappropriate use of high rates of gypsum can decrease yield (due to nutrient imbalances). Thank You
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