soil sterilization methods ppt

"contentUrl": "https://slideplayer.com/slide/6427566/22/images/16/Flash+Autoclave.jpg", "width": "800" "contentUrl": "https://slideplayer.com/slide/6427566/22/images/15/Steam+Autoclave+on+FEH.jpg", This non-compacted soil arrangement is ideal for seed germination. "contentUrl": "https://slideplayer.com/slide/6427566/22/images/6/Moist+Heat+Autoclaves+use+steam+heated+to+121%E2%80%93134+%C2%B0C+%28250%E2%80%93273+%C2%B0F%29+with+a+holding+time+of+at+least+15+minutes+at+121+%C2%B0C+%28250+%C2%B0F%29.jpg", "width": "800" { "contentUrl": "https://slideplayer.com/slide/6427566/22/images/41/Questions+41.jpg", "contentUrl": "https://slideplayer.com/slide/6427566/22/images/20/Hot+Air+Oven+Thermostat+digitally+controls+the+temperature.jpg", }, 19 "@type": "ImageObject", "@type": "ImageObject", "width": "800" Micro Practical 3 PRINCIPLE AND WORKING OF AUTOCLAVE Dr. Shahzad Ali Assistant Professor Department of Wildlife and Ecology UVAS, Ravi Campus, Pattoki. 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Steam Autoclaves Indicators should be placed in the most difficult places for the steam to reach to ensure that steam actually penetrates For effective sterilization, steam needs to penetrate the autoclave load uniformly, so an autoclave must not be overcrowded, and the lids of bottles and containers must be left ajar "name": "Glutaraldehyde Disadvantages", You can sterilize the soil with steam. "name": "Steam Autoclaves", "@type": "ImageObject", "contentUrl": "https://slideplayer.com/slide/6427566/22/images/31/Chemiclave.jpg", And the field is covering with the help of polythene paper. Disinfect? What does it all mean?? goals. "contentUrl": "https://slideplayer.com/slide/6427566/22/images/7/What+is+a+Steam+Autoclave.jpg", }, 15 What is the autoclave thing again. Usage: The soil can be removed from the pan and used it has reached room temperature. { ", The aim of sterilization is to destroy all forms of microbial life "width": "800" Chemical SterilizationLiquid Glutaraldehyde (Cidex) Gas Ethylene Oxide (ETO) Formalin { steam sterilization gas sterilization ionizing radiation, Sterilization - . "@context": "http://schema.org", "name": "Steam Autoclave", ", "contentUrl": "https://slideplayer.com/slide/6427566/22/images/36/Formalin+Tablets+No+longer+used+in+the+United+States%2C+Canada%2C+and+Australia..jpg", "description": "Flash sterilization was designed for OR for the immediate use of a forgotten or unanticipated instrument or for one that was accidentally dropped on the floor. Save my name and email in this browser for the next time I comment. What is soil sterilization? Microwaves cause water in the soil and cells to absorb heat, which effects in high temperature that kills the soil organism. The container used for this action can be covered with aluminum foil. "@type": "ImageObject", understand and utilize correct sterilization and disinfection techniques, Sterilization - . : only the desired organism, Sterilization - Cp504 ppt_set 09. sterilization. { "@context": "http://schema.org", "@context": "http://schema.org", If in doubt-consider it unsterile. "width": "800" Sterilization 4-H Veterinary Science Extension Veterinary Medicine Texas AgriLife Extension Service College of Veterinary Medicine and Biomedical Science. Steaming is considered one of the best ways to sterilize potting soil and must be done for at least 30 minutes or until the temperature reaches 180F. ", steam sterilization gas sterilization ionizing radiation, STERILIZATION - . "width": "800" all forms of microbial life. "@type": "ImageObject", Avoid sunlight until germination. "@type": "ImageObject", How do Growers Sterilize the Soil? Flash Autoclaves use steam heated to 134 \u00b0C (273 \u00b0F) for 3 minutes. Short shelf life (<2 weeks) Expensive. "@context": "http://schema.org", "@context": "http://schema.org", sur 111 lecture 4. todays topics. "@context": "http://schema.org", To use this website, you must agree to our. "name": "Flash Autoclave on FEH", Instruments are autoclaved unwrapped for a shorter period of time. ", "description": "All instruments must be double wrapped in linen or special paper or placed in a special metal box equipped with a filter before sterilization", { Fire Solar Pesticide Steam Composting, What's Necessary for Composting? "@type": "ImageObject", Soil sterilization techniques of the garden soil: Organic Farming Project Proposal; Disease Control, Poultry Incubators and Agriculture Incubators, How to find Soil Health, Soil Health Indicators, Driverless Tractor Technology, Advantages, Cost In India, Poultry Farming in West Bengal, How to Start, Schemes, and Loans, Brinjal Varieties and Diseases Information, Sunflower Seed Germination, Time, Temperature, Process, 1 Acre Fence Cost In India, Agriculture, Types, Earning 40000 Per Month from Quail Farm: A Success Story of a Quail Farmer, Cat Grass Growing Process, Methods, Steps, Schemes for Sericulture Development (Subsides, Loans), How to Grow Lemon Tree from Seed: A Step-by-Step Guide for Beginners, Goat Feed Chart and Goat Weight Chart a Full Guide, Hazelnut Farming, Cultivation, And Production, Top Agricultural Universities in the UK: Best and List. sterilization f undamentals. { "description": "Used only in air tight containers like instrument cabinets using 10 tablets \/ dm3. }, 10 The lack of weeds allows the seeds to thrive without competition for nutrients. "width": "800" In winter, you have to cover the area with black plastic or can also plant some plants to increase the fertility of the soil. ", During the Middle ages, it mostly disappeared resulting in disabilities and death following surgical procedures, More effective method is the Hot Air Oven, Electrical device which uses dry heat to sterilize articles, Operated from 50 to 300 C (122to 572F), Fitted with adjustable wire mesh or aluminium trays, Double walled insulation keeps the heat in and conserves energy, An air circulating fan helps in uniform distribution of the heat, These are widely used to sterilize articles that can withstand high temperatures, Not much pressure build up, making them safer to work with, Much smaller than an autoclave but can still be as effective, As they use dry heat instead of moist heat, some organisms like prions may not be killed by them every time, The only liquid chemical capable of sterilizing an item is Glutataraldehyde (Cidex), Extremely caustic to the skin, mucous membranes and other tissues, Should only be used for items that will not withstand sterilization by steam under pressure, Airing out period to allow ETO gas to be expelled from surface of item according manufactures instructions, Sterilization of catheters, anaesthetic masks and valves, syringes, needles, small instruments, scopes like bronchoscopes, cystoscopes & items that cannot be autoclaved, Effective against a wide spectrum of organisms and the storage of non-wrapped sterilized instruments, Used only in air tight containers like instrument cabinets using 10 tablets / dm3, Used as a fumigant in gaseous form, formaldehyde sterilization is complex and less effective, It should only be used if steam under pressure will damage the item to be sterilized and ethylene oxide and glutaraldehyde are not available, No longer used in the United States, Canada, and Australia. Soil-borne diseases, fungi, and insects can live on small amounts of soil and debris remaining in before used and uncleaned containers. If you wish to download it, please recommend it to your friends in any social system. "@type": "ImageObject", Sterilize? "description": "The aim of sterilization is to destroy. Advantages of Hot Air OvenDoes not require water Not much pressure build up, making them safer to work with Much smaller than an autoclave but can still be as effective Faster than an autoclave Rapidly reaches higher temperatures What are important considerations? "@context": "http://schema.org", 2022 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. "description": "An article is either sterile or unsterile-there is no in-between. }, 31 STERILIZATION HEALTHCARE - . Formalin Tablets Used as a fumigant in gaseous form, formaldehyde sterilization is complex and less effective It should only be used if steam under pressure will damage the item to be sterilized and ethylene oxide and glutaraldehyde are not available If in doubt-consider it unsterile, If sterility field has been compromised-replace the contaminated field, Do not open sterile articles until they are ready for use, Dont leave sterile articles unattended once they are opened and placed on a sterile field, Do not return sterile articles to a container once they have been removed, When pouring sterile solutions into sterile containers or basins, do not touch the sterile container with the solution bottle, Discard any liquid remaining in the bottle, Never use an outdated article. "@context": "http://schema.org", }, 2 "width": "800" Chemical methods of sterilizing soil include the following; For soil sterilization commercial formaldehyde or formalin is diluted with water. Airing out period to allow ETO gas to be expelled from surface of item according manufactures instructions. "width": "800" "name": "Sterilization is a process that kills all micro-organisms such as fungi, bacteria, viruses and spores that are present on a surface. Unwrap it and if re-usable, rewrap it in a new wrapper for sterilization Raw Material- Used plant material, bark, wood, etc Heat- heat will occur naturally as microorganisms break down the plant material. "contentUrl": "https://slideplayer.com/slide/6427566/22/images/17/Flash+Autoclave+on+FEH.jpg", "description": "1. Points to Remember Never sterilize surgical drains, disposable rubber gloves or disposable rubber catheters An article is either sterile or unsterile-there is no in-between. "@type": "ImageObject", { ", "@type": "ImageObject", ", Indeed, many of the weaker parasitic diseases are destroyed at temperatures as low as 54 to 60C; but many virus diseases need fully 92C to be completely destroyed, the same being accurate of the eelworm cysts Globodera rostochiensis. steam sterilizers operation and preventative maintenance. sur 111 lecture 4. todays topics . "name": "Formalin Tablets", "@context": "http://schema.org", "name": "What is a Steam Autoclave", ", Place a meat (or candy) thermometer into the center & bake at 180-200F for at least 30 minutes, or when soil temp reaches 180F. Check the thermometer and adjust the oven temperature as needed. { "description": "Chemiclave", "description": "For effective sterilization, steam needs to penetrate the autoclave load uniformly, so an autoclave must not be overcrowded, and the lids of bottles and containers must be left ajar. Moist Heat The quickest most effective method of sterilization is the Steam Autoclave Autoclaving will inactivate all fungi, bacteria, viruses and also bacterial spores and most prions (Prions cause mad cow disease) "@context": "http://schema.org", }, 39 To make this website work, we log user data and share it with processors. thesis. ", "name": "Flash Autoclave", The process of destroying all organisms in the soil ecosystem. "@context": "http://schema.org", "description": "It should only be used if steam under pressure will damage the item to be sterilized and ethylene oxide and glutaraldehyde are not available. "name": "All instruments must be double wrapped in linen or special paper or placed in a special metal box equipped with a filter before sterilization", }, 33 Cover the pan or baking sheet tightly with aluminum foil. Biological indicators and Bowie Dick tests can also be used to independently confirm autoclave performance. Points to Remember When pouring sterile solutions into sterile containers or basins, do not touch the sterile container with the solution bottle Discard any liquid remaining in the bottle Never use an outdated article. Glutaraldehyde (Cidex) Gas. "@context": "http://schema.org", { The soil has been sterilized by heat speeds up the decomposition of organic matter in it, resulting in a more airy tilth. "description": "", "width": "800" { Why Sterilize . { "name": "Advantages of Hot Air Oven", Cool down: After baking for 30 minutes, remove soil from the oven and let stand until the soil gets to room temperature. }, 13 }, 3 "name": "Points to Remember Do not open sterile articles until they are ready for use. "@context": "http://schema.org", "name": "", In some cases, covering the soil can be beneficial. "@type": "ImageObject", Placing soil into the pan: Place the soil into a roasting pan or in a baking sheet. "width": "800" The quickest most effective method of sterilization is the Steam Autoclave, Autoclaving will inactivate all fungi, bacteria, viruses and also bacterial spores and most prions (Prions cause mad cow disease), Autoclaves use steam heated to 121134 C (250273F) with a holding time of at least 15 minutes at 121C (250F), Additional sterilizing time is required for liquids and instruments packed in layers of cloth, as they may take longer to reach the required temperature, An autoclave has a heavy metal steel chamber surrounded by a jacket with a space between, Autoclaves have indicators that record or display information (temperature & pressure), A vacuum in the chamber removes air which could become trapped and cause cold areas which could lower the temperature of the steam and prevent steam penetration, An autoclave works by steam under pressure which creates a high temperature, Pressure forces the steam through everything which needs to be sterilized, A vacuum after sterilization dries the contents, Filtered air is reintroduced to equalize pressure before opening the door. objectives. This can be best done in the summer and particularly on a dry and sunny day. "contentUrl": "https://slideplayer.com/slide/6427566/22/images/26/Glutaraldehyde+The+only+liquid+chemical+capable+of+sterilizing+an+item+is+Glutataraldehyde+%28Cidex%29.jpg", Clean? Water Sterilization - . "description": "Steam Autoclave on FEH", { ", "contentUrl": "https://slideplayer.com/slide/6427566/22/images/9/Steam+Autoclaves.jpg", "@type": "ImageObject", ", "@type": "ImageObject", "name": "Formalin Tablets Effective against a wide spectrum of organisms and the storage of non-wrapped sterilized instruments. Sterilizing Techniques 4-H Veterinary Science Extension Veterinary Medicine Texas AgriLife Extension Service College of Veterinary Medicine and Biomedical. "name": "Sterilization Methods", "@type": "ImageObject", "width": "800" Two Chamber ETO Sterilizer sterility on a practical basis means the absence of any detectable viable organism. Flash Autoclave on FEH Soil Sterilization . Liquid. 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