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Manure is organic matter that is used as organic fertilizer in agriculture. Most manure consists of animal feces ; other sources include compost and green manure . Manures contribute to the fertility of soil by adding organic matter and nutrients , such as nitrogen , that are utilised by bacteria , fungi , and other organisms in the soil .
Cow dung, also known as cow pats, cow pies, cow poop or cow manure, is the waste product of bovine animal species. These species include domestic cattle ("cows"), bison ("buffalo"), yak , and water buffalo .
Chicken manure is the feces of chickens used as an organic fertilizer, especially for soil low in nitrogen. [1] Of all animal manures , it has the highest amount of nitrogen, phosphorus , and potassium . [ 2 ]
Some green manure crops, when allowed to flower, provide forage for pollinating insects. Green manure crops also often provide habitat for predatory beneficial insects, which allow for a reduction in the application of insecticides where cover crops are planted. Some green manure crops (e.g. winter wheat and winter rye) can also be used for ...
Manure is an abundant resource with estimations for cattle manure in the US alone reaching two billion tons annually, [9] and one hen has the potential to produce a cubic foot of manure every six months. [10] By adding manure to crops it adds nitrogen, potassium, phosphorus, sulfur, magnesium and calcium. [11]
Liquified cow manure commonly is stored in a covered digester where microbes from the animals' digestive systems produce gas. The gas then is cleaned and compressed into a liquid fuel that can be ...
Dry dung fuel (or dry manure fuel) is animal feces that has been dried in order to be used as a fuel source. It is used in many countries. Using dry manure as a fuel source is an example of reuse of human excreta. [1] A disadvantage of using this kind of fuel is increased air pollution. [2]
Converting cow manure to fuel is a growing climate solution, but critics say communities are put at risk.