Carbon : Nitrogen Ratio 20:1 to 40:1 25:1 to 30:1 20:1 to 40:1 Bulk Density <1200 Lbs/Yard3 <1100 Lbs/Yard3 <1200 Lbs/Yard3 Note: While porosity can be estimated, both in the field and in the lab, field observation and knowledge of recipe are typically adequate. Calculating Carbon : Nitrogen Ratios for Composting. For instance, fruit waste in particular can have C:N as low as 20:1 and as high as 50:1. #4 – Divide the carbon totals by the nitrogen totals to get the C: N ratio. Solid Waste. How To Calculate C:N Ratio for a Compost Pile. Directory. Carbon to Nitrogen ratio (C:N) is a ratio of the mass of . (53 minutes, 44 seconds). Carbon: Nitrogen Ratio The C:N ratio can be determined easily when you know the C and N values and weight of the product you are using. C means Carbon. Solid Waste. The following factors will have a significant impact on your C:N ratio and the performance of your compost pile or vermicompost bin. It all depends on which browns and greens you use. Fax: 509-773-5991. You need to fill in how many “parts” of each compost ingredient you are planning to add to your pile. What Is My Desired Carbon-to-Nitrogen Ratio for Composting and Vermicomposting? Decomposers that actively break down organic matter prefer a diet containing about 30 times the amount of carbon-rich material as nitrogen-rich material, or a C:N ratio of 30:1. Enter the mass of each material (wet weight), percentage of carbon, percentage of nitrogen, and percentage of moisture, then click on the calculate button. CARBON-TO-NITROGEN RATIO To calculate the amounts of various materials to add to a compost pile with a C:N ratio of 30:1, you need to know the nitrogen and carbon con-tents of the individual ingredients. Note: This IS a function of sawdust's incredibly high carbon-to-nitrogen ratio, but is also a function of a gallon of sawdust's bulk density relative to dry leaves. 28 Medicinal Herbs You Need to Have in Your Garden, How to Grow Hanging Tomato Plants with a DIY Upside Down Planter, Coco Coir: What Is It, Benefits, and How to Use It in Hydroponics or Soil, How and Why to Add Magnesium to Garden Soil, How to Build a Budget-Friendly DIY Compost Bin in 3 Different Ways, 5 Clever DIY Tower Garden Ideas to Make the Most of Your Space, 5 Ways to Use Duck Poop to Enrich Your Edible Landscape Soil, Betony Plant: Growing Guide, Care, Problems and Harvest, How to Grow Mango Trees in Your Home Orchard, How to Rejuvenate and Restore a Neglected Garden to Its Former Glory, 10 Frugal Automatic Watering Systems Your Potted Plants Will Love, How to Till a Garden: Everything You Need to Know, Find the Right Fruit Tree for Your Growing Zone, Growing Stevia: Varieties, Planting Guide, Care, Problems, and Harvest. You may hear the C:N ratio bandied about in discussions among avid composters. carbon/nitrogen ratio [written as C:N] is used as a primary indicator of nutrient content. Then, scroll to the bottom to see if your ingredients add up to the ideal carbon to nitrogen ratio of between 20 to 40 to 1. However, it is not just a question of getting the right C: N Ratio. None: 12 to 15: Compost with high C:N will reduce N availability to plants. F1 Plants and Seeds: What Are They and Should You Use Them? You can build excellent compost without using a calculator. The role that the composting carbon nitrogen ratio (C:N) ... Now before you start breaking out your calculators, please understand that if your ratios are not within this magical range, your pile will still breakdown; it may just happen more slowly. This is a great example of why only considering volume when it comes to your mixture of browns and greens may lead you down the wrong path. Measuring C:N • Nitrogen is measured by Kjeldahl method (TKN) Combustion method. A majority of investigators believe that for In aerobic decomposition, part of the carbon is released as CO2 while the rest is combined with nitrogen in the bodies of microorganisms. This page provides a little more detail on the Carbon: Nitrogen ratio and lists a range of Greens and Browns in order of their Carbon content. The ideal C:N for composting is approximately 25-30:1. This page provides a little more detail on the Carbon: Nitrogen ratio and lists a range of Greens and Browns in order of their Carbon content. A carbon-to-nitrogen ratio (C/N ratio or C:N ratio) is a ratio of the mass of carbon to the mass of nitrogen in a substance. by jackie unstad (omaha ne ) What would be the balance just using horse manure and grass clippings? This Price to Earnings Ratio Calculator makes it easy to calculate the P/E rat I’d read all the stuff about how a pile should have a 30:1 carbin to nitrogen ratio, I’d read the add 2 parts brown to one green (I never had good results this way). This Price to Earnings Ratio Calculator makes it easy to calculate the P/E rat Below 40-50%, microbial activity slows and composting stops. Mixtures are calculated by volume, not by weight. As a result, the carbon content of a compost pile is continuously decreasing. Everything organic has a carbon:nitrogen ratio of carbon to nitrogen in its tissues. mmhos/cm or dS/m: 0 to 4 Physical Address 127 West Court St Goldendale, WA 98620. C provides energy and microbial cell structure while N is linked to proteins, enzymes and other substances integral to cell growth and other biological functions. C provides energy and microbial cell structure while N is linked to proteins, enzymes and other substances integral to cell growth and other biological functions. Compost scientists have determined that the fastest way to produce fertile, sweet-smelling compost is to maintain a C:N ratio somewhere around 25 to 30 parts Carbon to 1 part Nitrogen, or 25-30:1. Directory. In aerobic decomposition, part of the carbon is released as CO2 while the rest is combined with nitrogen in the bodies of microorganisms. Using the dropdown options above, add various compost ingredients to arrive at a recipe which gives you your desired carbon-to-nitrogen ratio, of C:N. Add as many items as you like, and subtract them along the way as needed. Above 70%, the risk of anaerobic conditions increases as moisture displaces air in the pore spaces of the compost, at which point the microbes consume the available oxygen without an avenue to re-oxygenate the pore space. Phone: 509-773-4448. Enter feedstock information based on your own analyses or data, or use the information provided in the feedstock list. by Ruan How do you apply the carbon-nitrogen ratio if the compost consists of more than 1 C:N (greens and browns) ratio? For now, feel free to continue reading. When organic matter decays, the carbon is dissipated more rapidly than the nitrogen, thus bringing down the carbon-nitrogen ratio. Are They Escaping? Phone: 509-773-4448 . Compost Carbon:Nitrogen Ratios Made Simple - Duration: 5:40. Soil nutrient analysis laboratories or environmental testing laboratories can … Select the correct mix to give a carbon: nitrogen (C:N) ratio of about 30:1. Common C:N ratios %C %N Blood meal 43 13 Legume Hay (dry) 40 2-2.5 Fresh cow manure 12-20 0.6-1.0 ... the percent carbon of each ingredient by the number of parts by weight of that ingredient and then adding the carbon totals for ingredients. I must stress that compost will still be produced if the C: N ratios of the bins are outside the recommended range. If the C:N ratio is too low (excess nitrogen) you will end up with a stinky pile. Composting For Beginners: Getting A Perfect Carbon to Nitrogen Ratio - Duration: 15:51. One of the common culprits of composting-science-gone-bad is getting it wrong when calculating C:N ratios. Stable soil organic matter has C:N of 12-15. Using the dropdown options above, add various compost ingredients to arrive at a recipe which gives you your desired carbon-to-nitrogen ratio, of C:N. Add as many items as you like, and subtract them along the way as needed. If you wish to analyse and achieve 30:1 then there are online calculators to help. Compost scientists have determined that the fastest way to produce fertile, sweet-smelling compost is to maintain a C:N ratio somewhere around 25 to 30 parts Carbon to 1 part Nitrogen, or 25-30:1. The calculator then calculates the moisture content and C:N ratio of your compost mixture. 5:40. The second composting recipe could be correct, but it is probably not. If they do, you can go and make your compost pile! A successful active compost pile will have a 2 to 1 carbon-to-nitrogen ratio by volume. As a soil amendment before planting new beds, use 1-3 inches of compost dug or tilled into the soil. Compost Mix Calculator About the Compost Mix Calculator; Compost Calculator; Contact Us. Like most calculators, this one is garbage in, garbage out in terms of data. Mixtures are calculated by volume, not by weight. If you're wondering about the difference between vermicomposting and composting, this article ought to help! To calculate the carbon content given C/N and percent nitrogen, solve: %C = %N x C/N You may be able to measure the carbon and nitrogen content of your own materials and then calculate the ratio directly. The second composting recipe could be correct, but it is probably not. A useful application for C/N ratios is as a proxy for paleoclimate research, having different uses whether the sediment cores are terrestrial-based or marine-based. The carbon and nitrogen (C: N) ratio in plant material is variable and ranges from 20: 1 to 30: 1 to legumes and farm yard manure to as high as 100: 1 in certain straw residues. The trick, of course, is to hit the composting “sweet spot” with a carbon-to-nitrogen ratio of about 30:1 for the initial feedstock blend. by Ruan How do you apply the carbon-nitrogen ratio if the compost consists of more than 1 C:N (greens and browns) ratio? Want to … Then, scroll to the bottom to see if your ingredients add up to the ideal carbon to nitrogen ratio of between 20 to 40 to 1. None: 12 to 15: Compost with high C:N will reduce N availability to plants. by jackie unstad (omaha ne ) What would be the balance just using horse manure and grass clippings? #5 – Achieve the C: N ratio between 25 and 35 to make the most of it. Using the calculator is very easy. The calculator is primarily intended for manure composting, however it can be used for other materials as well. Diverse particle sizes allow for greater pore spaces to allow oxygen to enter your compost pile. Overall they use 30 carbon for every 1 nitrogen atom – hence the optimal ratio of carbon to nitrogen for bacteria growth is 30:1. 5:40. Your pile will thoroughly decompose if you find the total C: N ratio between 25 and 35. Ratio 2 is going to be additional items mixed in afterwards that have a C:N either high in nitrogen or high in carbon – whichever is opposite to Ratio 1. Calculating the Composting Carbon Nitrogen Ratio. 21.5/0.62= 34.7 parts of carbon to 1 part of nitrogen is the cumulative C: N ratio of your compost recipe. This calculator determines the amount of carbon source material and water needed to create a good compost mix. It can, amongst other things, be used in analysing sediments and compost. It is a ratio of carbon to nitrogen. However, even when a Carbon:Nitrogen ratio of 78:1 was used compost was still produced in 21 days. Compost Calculator helps you calculate the carbon nitrogen ratio of your compost pile for optimal composting. You can build excellent compost without using a calculator. Physical Address 127 West Court St Goldendale, WA 98620. Soil nutrient analysis laboratories or environmental testing laboratories can … ***** Jackie, you ask about working out the calculations of carbon to nitrogen ratios using horse manure and grass clippings. Phone: 509-773-4448 . Simply add one part green to two parts brown, and your compost should be roughly balanced. ***** Jackie, you ask about working out the calculations of carbon to nitrogen ratios using horse manure and grass clippings. Phone: 509-773-4448. At least in Polish publications and the ISRIC calculations (i have one sheet with profile data received this year during ISRIC spring School) the C:N ratio is calculated on the mass basis. I must stress that compost will still be produced if the C: N ratios of the bins are outside the recommended range. I’d read all the stuff about how a pile should have a 30:1 carbin to nitrogen ratio, I’d read the add 2 parts brown to one green (I never had good results this way). A compost pile with mostly coffee grounds and  a low-particle-sized material like sawdust may not compost as effectively as a mix of coffee grounds, sawdust, and wood chips. For example, I want to add both leaves and sawdust for the carbon and then add coffee grounds and garden waste for the nitrogen. Compost Mix Calculator Sources Bernalillo County Extension Master Composters. #4 – Divide the carbon totals by the nitrogen totals to get the C: N ratio 21.5/0.62= 34.7 parts of carbon to 1 part of nitrogen is the cumulative C: N ratio of your compost recipe. Read this! 3) Get the Feel of Your Pile There is no need to get out your calculator to know whether you’re striking the right balance carbon-nitrogen balance. Andre Leu, Soil Carbon, from the 2007 Eco-Ag Conference & Trade Show. Enter feedstock information based on your own analyses or data, or use the information provided in the feedstock list. They found that the optimum range for speed was between 30:1 to 35:1. Spread the love . When adding materials to your compost, it is not necessary to use precise measurements or attain an exact C:N (carbon to nitrogen) ratio. The carbon to nitrogen ratio in the compost pile should be 30:1, not the ratio of browns to greens. Calculating the Composting Carbon Nitrogen Ratio. Disclosure. Calculate the Carbon to Nitrogen Ratio - Cornell Composting Calculate C/N Ratio For Three Materials This calculation solves for the carbon to nitrogen ratio of up to three materials. However, it is not just a question of getting the right C: N Ratio. Ratio 2 is going to be additional items mixed in afterwards that have a C:N either high in nitrogen or high in carbon – whichever is opposite to Ratio 1. Carbon : Nitrogen Ratio 20:1 to 40:1 25:1 to 30:1 20:1 to 40:1 Bulk Density <1200 Lbs/Yard3 <1100 Lbs/Yard3 <1200 Lbs/Yard3 Note: While porosity can be estimated, both in the field and in the lab, field observation and knowledge of recipe are typically adequate. The carbon to nitrogen ratio (C:N) describes relative proportions of carbon and nitrogen in a substance. Overall they use 30 carbon for every 1 nitrogen atom – hence the optimal ratio of carbon to nitrogen for bacteria growth is 30:1. I’ve had frequent conversations about composting over the years. Stay tuned for the first newsletter in the morning, straight to your inbox. Simply add one part green to two parts brown, and your compost should be roughly balanced. Calculating Carbon to Nitrogen Ratios. Guide to Red Wiggler Composting Worms: Everything You Need to Know, Red Wigglers Vs Indian Blues: How to Tell the Difference, What Do Worms Eat? CARBON-TO-NITROGEN RATIO To calculate the amounts of various materials to add to a compost pile with a C:N ratio of 30:1, you need to know the nitrogen and carbon con-tents of the individual ingredients. You need to fill in how many “parts” of each compost ingredient you are planning to add to your pile. carbon to the mass of nitrogen in a substance. It all depends on which browns and greens you use. But it only takes 3 gallons of sawdust to achieve that same C:N ratio. This calculator determines the amount of carbon source material and water needed to create a good compost mix. A useful application for C/N ratios is as a proxy for paleoclimate research, having different uses whether the sediment cores are terrestrial-based or marine-based. Urban Worm Guide to Coconut Coir: How is It Used and Why? (Soil microbes prefer a C:N ratio of around 24:1.) A Road Map for What To Feed Your Worms, Complete Guide to Continuous Flow Vermicomposting, Winter Vermicomposting: How to Keep a Worm Bin Warm When It’s Cold, Why Worms Won’t Help Lifeless, Compacted Soil. That substance can be soil, compost, or plants. When starting out with small compost piles, you can follow ‘rule of thumb’ measurements rather than calculating the carbon to nitrogen ratio. I’d even seen somewhat complicated compost calculators on the internet. Wondering what they heck people mean when they say composting carbon to nitrogen ratio? In our experience, this level of detail is not needed to get achieve hot composting. Higher C:N ratios in compost piles will greatly slow decomposition while lower ratios will result in rotting, release of ammonia, and foul odors. Physical Address 127 West Court St Goldendale, WA 98620. C:N Ratio: Ratio of carbon to nitrogen. C provides energy and microbial cell structure while N is linked to proteins, enzymes and other substances integral to cell growth and other biological functions. Using the calculator is very easy. So, in general, you should have 4” layers of brown material alternating with 2” layers of green material (source). Pro Tip: Check out this handy list of the carbon-nitrogen ratio for various compost ingredients to get a general sense of how much of each to incorporate into your pile. So, for example, if your food waste includes high amounts of fruit waste, this can effect your calculated C:N. Composting and vermicomposting are aerobic processes. For example, I want to add both leaves and sawdust for the carbon and then add coffee grounds and garden waste for the nitrogen. Solid Waste. How To Calculate C:N Ratio for a Compost Pile. Hours Monday - Friday 8 a.m. - 5 p.m. Directory. Solid Waste. I’d even seen somewhat complicated compost calculators on the internet. Trying to make a compost pile? Give it a Grow 38,858 views. N stands for Nitrogen. If you wish to analyse and achieve 30:1 then there are online calculators to help. For example, a C:N of 10:1 means there is ten units of carbon for each unit of nitrogen in the substance. The trick, of course, is to hit the composting “sweet spot” with a carbon-to-nitrogen ratio of about 30:1 for the initial feedstock blend. The fair proportion between these two components is called the carbon-to-nitrogen ratio or C:N ratio. The carbon to nitrogen ratio in the compost pile should be 30:1, not the ratio of browns to greens. Do I have to add the carbon ratios together and the nitrogen together individually? Researchers report optimum values from 20 to 31. Do I have to add the carbon ratios together and the nitrogen together individually? Ideally, the estimated C:N ratio for composting is between 25:1 and 30:1 portions of carbon and nitrogen for a faster composting process. Adding compost or other nutrients can help you find the right carbon-nitrogen ratios. Below this range excess nitrogen was lost, while above this range the composting speed slowed down. It is a ratio of carbon to nitrogen. mmhos/cm or dS/m: 0 to 4 It is the combination of materials that creates the ideal climate for compost microbes-a C:N ratio of 30:1. Decomposers that actively break down organic matter prefer a diet containing about 30 times the amount of carbon-rich material as nitrogen-rich material, or a C:N ratio of 30:1. Sandwich an ultra-thin layer (no more than an inch) between moist grass clippings, or mix handfuls thoroughly with lots of other ingredients. This affects compost use for farmland application. The calculator does take bulk density into account in order to give you accurate C:N ratios. Compost Mix Calculator About the Compost Mix Calculator; Compost Calculator; Contact Us. In our experience, this level of detail is not needed to get achieve hot composting. This is why fruit wastes themselves are not included in the calculator. When adding materials to your compost, it is not necessary to use precise measurements or attain an exact C:N (carbon to nitrogen) ratio. Calculating Carbon to Nitrogen Ratios When starting out with small compost piles, you can follow ‘rule of thumb’ measurements rather than calculating the carbon to nitrogen ratio. Ratio 1 is going to represent all of the organic waste you have accumulated at your home or business that you want to compost such as food scraps, weeds, and used paper. But adjusting the carbon-to-nitrogen ratio isn’t difficult. Together, they influence microbial feeding activities. If the C:N ratio is too high (excess Carbon), decomposition slows down. I’ve had frequent conversations about composting over the years. On the other hand C: N ratio of the bodies of micro-organisms is not only more constant but much narrower between 4: 1 and 9:1. Give it a Grow 38,858 views. For best performance, the compost pile, or more to the point the composting microorganisms, require the correct proportion of carbon for energy and nitrogen for protein production. Nitrogen, however, gets recycled, so the amount at the end of processing is the same as it was in the beginning. Composting For Beginners: Getting A Perfect Carbon to Nitrogen Ratio - Duration: 15:51. … Key Features The results shown on the report page are calculated based on the ideal C:N Ratio (Carbon, Nitrogen Ratio) of 30:1 (30 parts carbon to 1 part nitrogen). Therefore, compost piles are limited to plant material. This is often – though not always – achieved with equal volumes of nitrogen-rich green and carbon-rich brown waste. Compost Mix Calculator Sources Bernalillo County Extension Master Composters. Compost calculator allows for multiple opened and finished piles to meet all your composting needs. Carbon is a source of energy for microbe growth. But adjusting the carbon-to-nitrogen ratio isn’t difficult. For instance, one cubic yard of horse manure needs 150 gallons of of a loose material like dry leaves to achieve a C:N of 25:1. But there is a massive difference in bulk densities, especially with carbon-rich materials. If the C:N ratio is too low (excess nitrogen) you will end up with a stinky pile. Calculating Carbon : Nitrogen Ratios for Composting. Each of these four parameters is discussed in more depth in the following section. As a result, the carbon content of a compost pile is continuously decreasing. You may hear the C:N ratio bandied about in discussions among avid composters. C:N impacts on compost use. Hours Monday - Friday 8 a.m. - 5 p.m. Directory. C:N Ratio: Ratio of carbon to nitrogen. For optimal performance, the beneficial microbes need the right ratio of carbon for vitality and nitrogen for protein generation. To calculate the carbon content given C/N and percent nitrogen, solve: %C = %N x C/N You may be able to measure the carbon and nitrogen content of your own materials and then calculate the ratio directly. Electrical Conductivity (EC) A measure of soluble salts High salts may injure plants. Spread the love . Some ingredients have a wide variance in C:N ranges which can of course have an outsized effect on the final C:N you think you're getting. Composting and vermicomposting should both occur at moisture contents between 50-70%. Wondering about how to estimate the moisture of your compost? You need to fill in how many “parts” of each compost ingredient you are planning to add to your pile. Pro Tip: Check out this handy list of the carbon-nitrogen ratio for various compost ingredients to get a general sense of how much of each to incorporate into your pile. If they do, you can go and make your compost pile! Using the calculator is very easy. This affects compost use for farmland application. Of course, it is still an approximation, because we will be relying on published average percentage, but it is as close as you will get without testing each batch. Carbon is a source of energy for microbe growth. How to Prevent and Eliminate Fruit Flies in the Worm Bin, Water Content of Fruits and Vegetables: Vermicomposting 101. Compost Carbon:Nitrogen Ratios Made Simple - Duration: 5:40. Carbon and Nitrogen - a quick review (con’t) Carbon: Provides energy and supports growth Nitrogen: Provides protein and support reproduction A balanced Carbon to Nitrogen (C:N) ratio of 25:1 to 30:1 is ideal for an active compost pile C:N ratios of as low as 20:1 or as high as 40:1 also produce good quality fnished compost It can, amongst other things, be used in analysing sediments and compost. 3) Get the Feel of Your Pile There is no need to get out your calculator to know whether you’re striking the right balance carbon-nitrogen balance. As a soil amendment before planting new beds, use 1-3 inches of compost dug or tilled into the soil. Good compost must have a balance of carbon-rich (woody material) and nitrogen rich (green leafy matter or manure) materials. It is the combination of materials that creates the ideal climate for compost microbes-a C:N ratio of 30:1. Bulk density is the measure of dry weight per unit of volume, often expressed as pounds per cubic foot. Please note, if you're a commercial compost producer, you really want your ratios between 25:1 and 30:1. The calculator then calculates the moisture content and C:N ratio of your compost mixture. carbon/nitrogen ratio [written as C:N] is used as a primary indicator of nutrient content. The researchers tested Carbon:Nitrogen ratios varying from 201 to 78:1. If the C:N ratio is too high (excess Carbon), decomposition slows down. The calculator tracks the compost piles carbon:nitrogen ratio, temperature, percent completion and when you turn it. Carbons for the compost pile include the following: Dry leaves: ... Sawdust: Because sawdust has an extremely high carbon to nitrogen ratio, use it sparingly in the compost pile. Why Are Worms Crawling Up The Walls of My Bin? Vermicomposting is a much different process and allows for a much wider acceptable range when it comes to C:N. For larger bins, you want to avoid anything in the 25-30:1 C:N range or lower because we do not want to promote thermophilic composting in worm bins which need to remain between 50°F and 90°F to support and environment where worms can thrive. Stable soil organic matter has C:N of 12-15. Electrical Conductivity (EC) A measure of soluble salts High salts may injure plants. Contact Us. So for worm composting, we would like to see C:N at 50:1 or higher. Fax: 509-773-5991. Calculating the C:N ratio For perfect compost every time you must know the Carbon and Nitrogen content of each material you will add to the bin or pile. Everything organic has a carbon:nitrogen ratio of carbon to nitrogen in its tissues. Each of these four parameters is discussed in more depth in the following section. Carbon and Nitrogen - a quick review (con’t) Carbon: Provides energy and supports growth Nitrogen: Provides protein and support reproduction A balanced Carbon to Nitrogen (C:N) ratio of 25:1 to 30:1 is ideal for an active compost pile C:N ratios of as low as 20:1 or as high as 40:1 also produce good quality fnished compost Carbon is used as energy and a building material, much the way carbohydrates and sugars (desserts) are used by us. If you see incorrect data, would like to see an ingredient added, or have general questions, please feel free to e-mail me and let me know! A carbon-to-nitrogen ratio (C/N ratio or C:N ratio) is a ratio of the mass of carbon to the mass of nitrogen in a substance. Physical Address 127 West Court St Goldendale, WA 98620. The 30:1 ratio is the Goldilocks Zone for composting, but a typical finished compost might have a ratio of 20-25. 14 Versatile Herbs That Grow in the Shade, Growing Basil: The Complete Guide to Plant, Care, and Harvest Basil, 12 Essential Fall Garden Tasks to Get You Ready for Spring, Zone Six Gardening: The Perfect Fruits and Vegetables for Your Zone, http://extensionpublications.unl.edu/assets/html/g1315/build/g1315.htm, https://www.planetnatural.com/composting-101/making/c-n-ratio/, https://ucanr.edu/sites/mginyomono/files/170818.pdf, http://cwmi.css.cornell.edu/AppendixATable1OFCH.pdf, http://agrienvarchive.ca/bioenergy/download/barker_ncsu_manure_02.pdf, http://www.carryoncomposting.com/416920203, http://docs.nmcomposters.org/2014-mc-project-bw.pdf, http://humanurehandbook.com/downloads/H4/Ch_09_Compost_Nuts%20and%20Bolts.pdf, http://sweeta.illinois.edu/composting-horsebedding.cfm, http://vermontllamaalpacaassociation.blogspot.com/2012/05/composting-your-camelid-manure-101.html, http://docs.nmcomposters.org/carbon-nitrogen-ratio-simplified.pdf, https://compost-turner.net/composting-technologies/grape-stalks-and-pomace-composting-process.html, https://www.agweb.com/article/understand-carbon-to-nitrogen-ratios-before-buying-cover-crop-seed/, https://www.webpal.org/SAFE/aaarecovery/1_farm_recovery/humanure/newchapter03_07.htm, https://content.ces.ncsu.edu/summer-cover-crops, https://nph.onlinelibrary.wiley.com/doi/pdf/10.1111/j.1469-8137.1928.tb06729.x, cespubs.uaf.edu/index.php/download_file/1258/. The results shown on the report page are calculated based on the ideal C:N Ratio (Carbon, Nitrogen Ratio) of 30:1 (30 parts carbon to 1 part nitrogen). As the microbes consume the carbon material and the nitrogen is converted to the more plant-available forms of ammonium (NH4+) and nitrate (NO3-), the C:N will slowly drop over the course of several weeks, assuming no new additions of brown or green material. Carbon is also released as CO2. Since organisms use about 30 parts carbon for each part of nitrogen, an initial C:N (available quantity) ratio of 30 promotes rapid composting and would provide some nitrogen in an immediately available form in the finished compost. Organic matter decays, the beneficial microbes need the right carbon-nitrogen ratios ought to help compost. Achieve that same C: N ratios heck people mean when they say composting compost carbon nitrogen ratio calculator to nitrogen ratio your. 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