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Introduction
- Organic Manures obtained either from cattle or plants.
- Use of organic manures by farmers is an age-old practice in agriculture.
- Organic manure's – maintains better structure of soil
- improves water holding capacity of light soils
- improves aeration in heavy soils.
- Food materials for millions of microbes
- Microbes essential for mineralization process
- Improves availability of nutrients from fertilizer sources.
Organic Manures
Bulky Organic Manures
FYM, Poultry manure, Municipal wastes, sheep & goat
Manures, vermiculture etc.,
Concentrated Organic Manures
Oil cakes (edible and non-edible)
Nutrient composition
Organic Sources
|
Material
|
Nitrogen (N) (per cent)
|
| Farm Yard Manure |
0.5 – 1.5
|
| Compost (Urban) |
1.0 – 2.0
|
| Compost (Rural) |
0.4 – 0.8
|
| Green Manures |
0.5 – 0.7
|
| Non-Edible Cakes |
| Castor cake |
5.5 – 5.8
|
| Cotton seedcake
(undecorticated) |
3.9 – 4.0
|
| Mahua cake |
2.5 – 2.6
|
| Karanj cake |
3.9 – 4.0
|
| Neem cake |
5.2 – 5.3
|
| Safflower cake
(undecorticated) |
4.8 – 4.9
|
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Organic Manures
