Gypsum Valuable Input for Agriculture
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Article by: Sarvesh Shah India ranks second on the basis of population in the world. Agricultural land utilised by the burgeoning population, the cultivable land resource is shrinking day by day. To meet the food, , Plastic Pond Liners fibre, fuel, fodder, and other needs of the growing , I Was Asked if I Had Any Stepping Stone Molds population, the productivity of agricultural land has to be increased rationally. This requires the use of all resources judiciously. In India, the mineral gypsum is mostly used in the manufacture of cement, fertiliser, plaster of Paris, ceramics and distemper. Smaller quantity is used as soil , Indoor Waterfalls conditioner, for carving and statuary purposes. India has huge resources of natural , Patio Enclosures gypsum of the order of 1120 million tonnes, of which recoverable reserves are estimated at 237 million tonnes. Over 95 per cent of the natural , The Flower Drying Game - Part 1: Air, Sand, and Sources gypsum come from Rajasthan. Gypsum is chemically calcium sulfate dihydrate (CaSO4.2H2O). When dissolved in water, , Foraging In The Forest: Finding Materials That Link Your Home To The Great Outdoors it yields calcium ions (Ca2+) and sulfate-sulfur ions (SO42-). Both of these ions are essential major nutrients for growing plants. , Waterwise Xeriscaping for an Extraordinary Spring Garden In addition to this, calcium also plays a vital role in establishing and maintaining good chemical balance in soil, , The Garden Statue - -Stone, Metal, Or Gnome? water , Patio Enclosures and plants. , Natural Algae Fighters That Work Gypsum is one of those rare materials that perform in all three categories of soil , The Garden Statue - -Stone, Metal, Or Gnome? treatment: an amendment, conditioner, and fertilizer. The usage of gypsum in agriculture , Flower Bulbs: Nature's Greatest Gift can be grouped into following heads: Reclaims soil , Patio Enclosures sodicity: The sodic soils , Flower Meanings have exchangeable sodium percentage (ESP) more than 15, it must be lowered for soil improvement , Vegetable Gardening as well as better crop growth. The calcium supplied by gypsum replaces the sodium held at the clay-exchange sites. The replaced sodium can be leached from the soil , Flower Garden in Urban Environment as sodium sulfate to an appropriate sink. Decreases the toxic effect of NaCl salinity: Calcium from gypsum has a physiological role in inhibiting the uptake of sodium by plants. , Indoor Waterfalls Thus plant , Flowers For U are mitigate the sodium toxicity, which is more pronounced in the salt affected soils. , What to Feed Your Fish During Colder Winter Months Decreases pH of sodic soils: The sodic soils , Flowers For U are characterised by the high soil , Brilliant Beetroot! pH (>8.5). Gypsum lowers the high pH of sodic soils , Brilliant Beetroot! or near sodic soils , Start Planning for Your Backyard Water Garden or Pond to 7.5 to 7.8. These values are in the range of acceptability for growth of most crop plants. , An Autumn Garden for Halloween Increased calcium uptake by roots , Vegetable Gardening when gypsum is applied can decrease the pH of the rhizosphere. Creates favorable soil , Teak Patio Furniture Will Dress Up Your Patio EC: The more EC value of the soil , Caring for Your Water Garden Pond is undesired for the crop growth. The high EC of soil , Garden Design: Plant a Woodland Gardens with Minimal Effort and Expense are due to fertilizer application as well as by the weathering of soil , Preliminary Considerations Before Building Your Own Backyard Garden Pond minerals. Gypsum, being readily soluble, results in proper buffered solute concentration (EC) in soil , Garden Design: Plant a Woodland Gardens with Minimal Effort and Expense to maintain soil , Flower Bulbs: Nature's Greatest Gift in a flocculated state. Makes excess Magnesium non-toxic: Calcium is essential to the biochemical mechanisms by which most plants , Tick Removal nutrients are absorbed by roots. , Flowers For U Without adequate calcium, uptake mechanisms would fail. In soils , Hibiscus Care having unfavorable calcium magnesium ratios, such as serpentine soils, , Flower Garden in Urban Environment gypsum can create a more favorable ratio. Thus render Magnesium non-toxic. Decreases heavy-metal toxicity: Calcium plays a role of regulator for balance of micro-nutrients, such as iron, zinc, manganese and copper, , Plastic Pond Liners in plants. , Enhance Your Walk-Through Garden with Wind Chimes Calcium prevents excess uptake of many of them; and once they are in the plant, , Japanese Beetles - The Plain Truth About Traps... And A Tiny New Winged Hope! calcium keeps them from having adverse effects when their levels get high. Calcium in liberal quantities helps to maintain a healthy , Indoor Waterfalls balance of nutrients and non-nutrients within plants. , I Was Asked if I Had Any Stepping Stone Molds Gypsum also removes excess of Boron from sodic soil. , What to Feed Your Fish During Colder Winter Months It also regulates non-essential trace elements. Improves soil , Spring Rose Care - The Easy Way structure: Gypsum provides calcium, which, flocculate clays in acid and alkaline soil. , Garden Design: Plant a Woodland Gardens with Minimal Effort and Expense A flocculated clays form friable soil , Orchid Care - What The Leaves Tell Us with improved soil , National Home Gardening Club structure and tilth. It also allows for deeper, healthier root , Flower Garden in Urban Environment development and water , Flower Garden in Urban Environment penetration. Prevents crusting of soil: Gypsum application can decrease and prevent the crust formation on soil , Home and Garden Decor surfaces which result from rain drops or from sprinkler irrigation on unstable soil. , Wooden You Like to Know? A Primer to Wood Outdoor Furnishings It can prevent crusting that result when acid soils , Using Push Reel Mowers are limed and the gypsum is coapplied with the lime. Improves compacted soil: Gypsum can break up compacted soil , Compost Tea – Tea Time For Your Garden and decrease penetrometer resistance. Combination with organic , Start Planning for Your Backyard Water Garden or Pond amendments also helps, especially in preventing return of the compaction. The soils , The Advantages of Both a Liner Pond and a Preformed Pond, Rolled Up Into One Box! applied with gypsum have low bulk density. Makes slightly wet soils , Flower Meanings easier to till: Soils , Foraging In The Forest: Finding Materials That Link Your Home To The Great Outdoors that have been treated with gypsum have a wider range of soil , Bonsai Trees moisture levels where it is safe , I Was Asked if I Had Any Stepping Stone Molds to till without danger of compaction or deflocculation. Even a liberal application of gypsum is a good procedure for starting a piece of land into no-till soil , Snapper Mowers Models management or pasture. Gypsum also improves the ability of soil , Home and Garden Decor to drain and not become waterlogged due to a combination of high sodium, swelling clay, and excess water. , The Advantages of Both a Liner Pond and a Preformed Pond, Rolled Up Into One Box! Stops water , Garden Design: Plant a Woodland Gardens with Minimal Effort and Expense runoff and erosion: Gypsum improves water , Tick Removal infiltration rates into soils , Bedding Plants and Plugs (small plants) and also the hydraulic conductivity of the soil. , Vegetable Gardening The use of gypsum can decrease wind and water , Indoor falls erosion of soil. , Compost Tea – Tea Time For Your Garden Improves swelling clays: Gypsum can decrease the swelling and cracking associated with high levels of exchangeable sodium on the montmorillonite-type clays. As sodium is replaced by calcium on these clays, they swell less and therefore do not easily clog the pore spaces through which air, , Vegetable Gardening water , Flower Meanings and roots , What to Feed Your Fish During Colder Winter Months move. Increases water , I Was Asked if I Had Any Stepping Stone Molds retention in soil: Gypsum when applied to sodic soil , Choosing Healthy Plants for Your Garden reduced the levels of exchangeable sodium resulted in increase in water , Flower Garden in Urban Environment retention. The improved soil , Orchid Care - What The Leaves Tell Us structure help in the more retention of water. , Wicker Patio Furniture or Teak Patio Furniture Look Awesome With Patio Chair Cushions Increases the stability of soil organic , Maintaining Water Quality in a Garden Pond matter: Gypsum is a source of calcium responsible for the binding of soil organic , Hibiscus Care matter to clay and gives stability to soil , Tuscan Garden Design aggregates. Improves low-solute irrigation water: Gypsum is used to increase the solute concentration of low-solute water , What to Feed Your Fish During Colder Winter Months used for irrigation. Irrigation water , Plastic Pond Liners from rivers that no longer have sources of leachable salts either penetrates poorly into soil , Problems With Peonies? or causes soil , What to Feed Your Fish During Colder Winter Months particles to degrade which results in low-water penetration. The problem can be corrected with surface-applied gypsum or application to the irrigation water. , Tick Removal Improves water-use efficiency: Gypsum application increases water-use efficiency of crops. Improved water , Flower Bulbs: Nature's Greatest Gift infiltration rates, improved hydraulic conductivity of soil, , Bonsai Trees better water , This Is How You Grow Sprouts storage in the soil , Teak Patio Furniture Will Dress Up Your Patio all lead to deeper rooting and better water-use efficiency. Efficiently use low quality irrigation water: Use of reclaimed municipal wastewater is important for conservation of natural , Enhance Your Walk-Through Garden with Wind Chimes resources. Reclaimed water , Enhance Your Walk-Through Garden with Wind Chimes can be satisfactorily used if amended with gypsum and water-soluble polymers. Improves fruit , Flower Meanings quality and prevents some plant , Snapper Mowers Models diseases: The quality of fruit , The Garden Statue - -Stone, Metal, Or Gnome? depends on the amount of calcium. Calcium is nearly always only marginally sufficient and often deficient in developing fruits. , Start Planning for Your Backyard Water Garden or Pond Calcium moves very slowly, if at all, from one plant , Home and Garden Decor part to another and fruits , Hydroponics Gardening - An Introduction to Hydroponics Gardening for Beginners (part 16) Temperature at the end of the transport system get too little. Calcium must be constantly available to the roots. , Flower Meanings In very high pH soils, , Patio Enclosures calcium is not available enough; therefore, gypsum helps. Gypsum is used for peanuts, which develop below ground, to keep them disease , Patio Enclosures free. Gypsum helps prevent blossom-end rot of watermelon and tomatoes , Problems With Peonies? and bitter pit in apples. Gypsum is preferred over lime for potatoes grown in acid soils , I Was Asked if I Had Any Stepping Stone Molds so that scab may be controlled. Decreases loss of fertilizer nitrogen to the air: Calcium from gypsum can help decrease volatilization loss of ammonium nitrogen from applications of ammonia, ammonium nitrate, urea, ammonium sulfate, or any of the ammonium phosphates. Keeps clay off tuber and root , Hydroponics Gardening - An Introduction to Hydroponics Gardening for Beginners (part 16) Temperature crops: Gypsum can help keep clay particles from adhering to roots, , Japanese Beetles - The Plain Truth About Traps... And A Tiny New Winged Hope! bulbs , Problems With Peonies? and tubers of crops like potato, carrots, garlic and beets. Helps Earthworms to Flourish: A continuous supply of calcium with organics , National Home Gardening Club is necessary for the habitat , Compost Tea – Tea Time For Your Garden of earthworms that improve soil , The Garden Statue - -Stone, Metal, Or Gnome? aeration, improve soil , Flowers For U aggregation and churn the organic , Home and Garden Decor matter with inorganic fraction of soil. , Natural Pond Filters - Let Nature Do the Hard Work! Dr Sarvesh Kumar Shah Department of Agricultural Sciences, The Fertiliser Association of India, New Delhi |
  
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