Basic Civil Engineering first year Notes- Chapter 4 Building.pptx
Compost and composting
1.
2. Presentation on
Compost
By
Adil Zia And M. Hasnain
Department of agronomy
Subject Organic Farming
The university of agriculture,
Amir Muhammad khan campus
mardan
3. Agenda of presentation
History of compost
Compost and composting
Importance of compost
Element essential for making compost
Things not included in compost
5. Compost through History
Roman and Greek used compost.
Many of American farmer used
compost.
Rapid composting technique develop
in 1950-1960s.
“Don’t spread the compost on the
weed, to make them ranker”.
( William
Shakespeare )
6. compost and composting
Organic material from decomposition
of carbon ( dried leaves) , nitrogen (
food scarp).
Composting is a process of producing
compost through aerobic
decomposition of biodegradable
organic matter.
Compost as a result of composting
process used farm and garden by
farmer to improve soil fertility.
7. Why compost !!
Provide nutrient
Improve soil structure, soil texture etc.
Reduced yard waste going to land fill.
Organic matter provide food for soil
microorganism .
Improve soil fertility
Reduced waste stream.
Improve productivity and
and income of farmer.
8. What goes in your compost …
Carbon : Dried leaves , straw
Nitrogen : Food Scarps
Water : Moisture
Oxygen : Microorganisms.
9. Avoid Few thing !!
Diseased plants or plants infested with
insects
Weeds that spread by root or runner or
weeds with seeds
Painted or treated wood
Meats
Bones and shells
Dog and cat pet waste
Compostable plastics
Vacuum cleaner bags
10. Players ( organisms involved )
The main players are :
Bacteria
Actinomycetes
Fungi
11. One teaspoon of good garden soil
to which compost has been added
contains
• 100 million bacteria
• 800 feet of fungal threads