Manures Types and Advantages
The food for plant consists of certain elements and all of those except carbon are supplied from soil. Constantly remove the various elements from the soil and fertility of soil is capacity to reduce crops goes down. To maintain fertility of soil organic matter must be returned to soil and this organic matter is called manure.
Functions of manures
- Organic matter provides channels down through which new plants grow more lusciously.
- Water holding capacity is increased.
- Organic matter serve as a reservoir of chemical element essential for plant growth.
- organic matter upon decomposition produces organic acids and CO2 which help to dissolve minerals
- Reduce alkenes of soil.
Kinds of Manure
- Organic manure: from which all the requirement of plants can be fulfilled.
- Farmyard manure: the dung and urine of cattle along with farm refuse is stored in pot water is sprinkled over the heap in a pit to moisture the material. This regulates the heap in pits and states the process of decomposition.
- Oil cake: these are residue left over after the extraction of oil from oil seeds.
- Leaf moulds: leaves both green and dry together with garden sweeping are decomposed thoroughly in a pit. Leaf moulds contain plenty of humus and can be freely applied to the soil for improving the texture.
- Composts: it is a mixture of dung of cattle, weeds, leaves, kitchen waste and other together wastes.
- Inorganic manure: these are of mineral origin. These may be classified into 5 and also called fertilizers.
Advantages of Manures
- Organic manures like farmyard manure and compost are devoid of any unpleasant odor and very good for fruits and gardens.
- Oil cake manure are good for glowing sugarcane and potatoes.
- Green manures help particles of sandy soil to adhere to each other.
- Crops especially vegetables and fruits, growth by using manures are considered safe and compared to crop grown by using chemical fertilizers.
- Manures helps in enriching the soil with organic matter such as cattle dung, vegetable wastes etc.