What is the main component of vermicompost? | Agrigyan

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MCQ (Single Correct)

What is the main component of vermicompost?

वर्मीकम्पोस्ट (Vermicompost) का मुख्य घटक क्या है?

Lime चूना Earthworm casting केंचुए का मल Ash राख Bone powder हड्डी पाउडर

Vermicompost is produced by the bio-oxidation and stabilization of organic matter through the joint action of earthworms and microorganisms; its primary component is earthworm castings (vermicasts).
Earthworm castings are nutrient-rich excreta containing granular organic humus with balanced available nutrients ($1.5-2.5\% N$, $1.0-1.5\% P_2O_5$, $1.5-2.0\% K_2O$), vitamins, and plant hormones (auxins, gibberellins).
Epigeic species such as Eisenia foetida and Eudrilus eugeniae are widely deployed in commercial vermicomposting.
Lime, ash, and bone powder are external mineral amendments and do not constitute the primary mass of vermicompost.

वर्मीकम्पोस्ट (Vermicompost) केंचुओं (जैसे आइसीनिया फोटिडा) द्वारा जैविक अपशिष्टों को पचाकर उत्सर्जित किया गया मल (Earthworm casting / विष्ठा) होता है।
केंचुए की यह विष्ठा पोषक तत्वों ($1.5-2.5\% N$, $1.0-1.5\% P$, $1.5-2.0\% K$), सूक्ष्मजीवों तथा पादप वृद्धि हार्मोनों से भरपूर दानेदार खाद होती है।
यह मृदा की जलधारण क्षमता और सूक्ष्मजीवीय सक्रियता में अभूतपूर्व वृद्धि करती है।
चूना, राख या हड्डी का पाउडर बाहरी खनिज पदार्थ हैं, जो वर्मीकम्पोस्ट का मुख्य घटक नहीं हैं।

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