urine as pesticide and fertilizer
DESCRIPTION
Procedures on How to Make PesticidesAnd Fertilizer from Human UrineTRANSCRIPT
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Urine as pesticide and fertilizer
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•Pesticide•Fertilizer•Preparing organic urine fertilizer•Graph on growth rate / plant damages•Extraction of fertilizer from urine
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• A pesticide is a substance or mixture of substances used to kill a pest.
• Pests include insects, plant pathogens, weeds, birds, mammals, fish, nematodes (roundworms), microbes and people that destroy property, spread or a vector for disease or cause a nuisance.
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•Fertilizer (or fertiliser) is any organic or inorganic material of natural or synthetic origin (other than liming materials) that is added to a soil to supply one or more plant nutrients essential to the growth of plants.
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Pesticide use raises a number of environmental concerns. Over 98% of sprayed insecticides and 95% of herbicides reach a destination other than their target species, including non-target species, air, water, bottom sediments and food.
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• . Pesticides are one of the causes of water pollution, and some pesticides are persistent organic pollutants and contribute to soil contamination.
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•Hence the shift to a more environment-friendly pesticide is encouraged. • This organic pesticide utilizes human
urine and plant spices such as:
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Plant spices for urine pesticideCurcuma longa (dulaw) pithecellobium jiringa (jering seeds)
Tinospora crispa(Brotowali)
Parkia speciosa (bitter bean)
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Plant spices for urine pesticide
Procedure of pesticide preparation:
1. Grind the plant mixture mentioned above.2. Boil .3. Add urine to the mix.4. Ferment for 2-3 weeks.5. Add a grinded red pepper and red onion to the fermented
mixture.6. Close the container for 3-4 days.
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This prepared pesticide could now be diluted with water for spray or sprinkled over the plant.
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Urine as fertilizer
• Urine has a fertilizer value of N/P/K 18:2:5 (2).• Each individual produces 1.5 L of urine per
day.• In general, pure human urine contains
very few enteric microorganisms . • The nutrient content present in human
urine may mean it can be a good fertilizer for plants.
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Growth rate compared
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Damages compared
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The Recycling of Nutrients from Human Urine
I. Phosphorus Recovery• Phosphorus can be recovered by mixing the urine with
magnesium, which binds with the phosphorus and the nitrogen.
• The generated precipitate is composed of struvite or MAP (magnesium ammonium phosphate), a solid mineral fertilizer.
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The Recycling of Nutrients from Human Urine
II. Nitrogen Recovery • When the temperature and the pH of urine are increased, the
nitrogen prevails in the form of volatile ammonia. • Ammonia can easily be removed from the liquid phase
through air stripping and subsequently be absorbed in sulfuric acid to form ammonium sulfate, a liquid fertilizer.
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Thank You