Home Infographics IAS Exam Preparation Through Environment Infographics (11)

IAS Exam Preparation Through Environment Infographics (11)

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IAS Exam Preparation of Environment via Infographics

You will be tested by UPSC on Questions relating to Environment. Bio Fertlizers and Green Manure are important topics from examination point of view.

Environmental Studies for IAS Exam Preparation 2016

Topic – Bio fertilizers and Green Manure

IAS

Bio Fertilizer is a substance containing living microorganisms.
It can be applied to seed, plant surfaces, or soil.
Bio Fertilizer improves the supply of primary nutrients like nitrogen, Phosphorous etc. to the host plant, and thereby promotes its growth.

Biofertilizers classification

Their effects are is slower than chemical fertilizer.
Bio Fertilizers are sensitive to temperature and humidity changes, hence difficult to store.
They’ve much lower nutrient density than chemical fertilizers. Farmer would need to use large quantity to get the same yield.

Green manure is a type of cover crop, grown to add nutrients and organic matter to the soil.
Typically, a green manure crop is grown for a specific period of time, and then ploughed under and incorporated into the soil while it is green or shortly after flowering.
Government of India provides subsidy Subsidy on the purchased of seeds & cost on production of seeds for green manure plants.