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What Are the Different Types of Compost and Which Should I Use in My Garden?

What Are the Different Types of Compost and Which Should I Use in My Garden?

Varsha is an enthusiast writer who loves to write about sustainable living. She loves to share informational content.

Compost is natural fertiliser and a source of nutrients for plants. It is a bulky source of organic matter that supplies nutrients in small quantities and organic matter in large quantities. It is prepared via the decomposition of animal excreta and plant waste.

Farmyard manure (FYM) is a decomposed mixture of cattle excreta and urine along with litter and leftover organic matter such as roughage or fodder. These waste materials are collected daily from the cattle shed and stored in a pit for decomposition by the microorganisms. It contains nitrogen, phosphorus, and potassium.

Thus, organic manure helps to improve the physical properties of soil, reduces soil erosion, increases the moisture holding capacity of soil and above all these advantages, is a low-cost nutrient carrier. Using biological waste is a way of recycling farm waste. Manure also protects our environment from the harmful effects of synthetic chemicals or fertilisers.

Compost is prepared from farm and town scraps such as vegetable and animal refuse and waste, weeds, crop stubble, clippings, rice hulls, forest litter, etc. Composting is a biological process in which both aerobic and anaerobic microorganisms decompose the organic matter. It takes about 3 to 6 months for the decomposition of organic refuse.

The practice of green manuring includes growing, mulching by plowing, and mixing of green crops with soil to improve the physical structure and soil fertility. Green manure may include both leguminous and non-leguminous plants such as Egyptian clover, cluster beans, etc. Such plants are used to add nitrogen, phosphorus, and other organic matter to the soil to improve crop yield.

Green manure crops are grown in the field for about 6 to 8 months and turned into the field at flowering stage. These crops remain buried for about one to two months. Plants should be completely decomposed before sowing the next crop. Generally, the crops which require high nutrient input are raised in the green manured field, such crops are rice, maize, sugarcane, cotton, and wheat.

The degradation of organic waste by earthworms is called vermicomposting. An earthworm is physically an aerator, crusher, and mixer. Chemically, it is a degrader, and biologically, a stimulator of decomposition. This is an appropriate technique for efficient recycling of animal wastes, crop residues, and agro-industrial wastes.

Vermicompost can be prepared from all sorts of organic wastes, agricultural residues, animal manures, dairy and poultry wastes, food industry wastes, municipal solid wastes, and biogas sludge.

Though manure lacks in plant nutrients, it is rich in organic matter and cheap. It is environment-friendly and does not cause any type of pollution either to the soil or to water. It enriches the soil with humus and improves the overall quality of the soil like soil texture, soil aeration, and water holding capacity.