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HOW TO PRODUCE VERMICOMPOST, EXPLAIN PAU EXPERTS

A

huge amount of crop residues are produced annually. Burning is a major issue under Punjab conditions which leads to loss of various nutrients like nitrogen, potash etc. Making vermicompost is a method of preparing enriched compost with the use of earthworms. It is one of the easiest methods to recycle agricultural wastes and to produce quality compost. It has huge benefits for crops and farming

Earthworms consume biomass and excrete it in digested form called worm casts. Worm casts are popularly called as Black gold. The casts are rich in nutrients, growth promoting substances, beneficial soil micro flora and having properties of inhibiting pathogenic microbes. Vermicompost is stable, fine granular organic manure, which enriches soil quality by improving its physicochemical and biological properties. It is highly useful in raising seedlings and for crop production. Vermicompost is becoming popular as a major component of organic farming system.

MATERIALS REQUIRED FOR MAKING VERMICOMPOST

Decomposable organic wastes such as animal excreta, kitchen waste, farm residues and forest litter are commonly used as composting materials. In general, animal dung mostly cow dung and dried chopped crop residues are the key raw materials. Mixture of leguminous and non-leguminous crop residues enriches the quality of vermicompost. There are different species of earthworms: Eisenia foetida (Red earthworm), Eudrilus eugeniae (night crawler), Perionyx excavatus etc. Red earthworm is preferred because of its high multiplication rate and thereby converts the organic matter into vermicompost within 45-50 days. Since it is a surface feeder it converts organic materials into vermicompost from top.

CHARACTERISTICS OF EARTHWORMS

  • Body length 3-10cm
  • Body weight 0.4-0.6g
  • Maturity 50-55days
  • Conversion rate 2 quintal or 1,200 worms in 2 months
  • Cocoon production 1 in every 3 days
  • Incubation of cocoon 20-25days

TYPES OF VERMICOMPOST

The types of vermicomposting depend upon the amount of production and composting structures. Small-scale vermicomposting is done to meet the personal requirement and farmer can harvest 5-10 tonnes of vermicompost annually. While, large-scale vermicomposting is done at commercial scale by recycling large quantity of organic waste with the production of more than 50 – 100 tonnes annually

METHODS OF VERMICOMPOSTING

Vermicromposting is done by various methods, among them bed and pit methods are more common.

BED METHOD Composting is done on the pucca / kachcha floor by making bed (6x3x2 feet size) of organic mixture. This method is easy to maintain and to practice.

PIT METHOD Composting is done in the cemented pits of size 5x5x3 feet. The unit is covered with thatch grass or any other locally available materials. This method is not preferred due to poor aeration, water logging at bottom, and more cost of production.

STEPS TO BE ARE FOLLOWED FOR MAKING VERMICOMPOST

  • Vermicomposting unit should be in shady site
  • Cow dung and chopped dried leafy materials are mixed in the proportion of 1: 1 and are kept for partial decomposition for 15 – 20 days
  • A layer of 15-20cm of chopped dried leaves/grasses should be kept as bedding material at the bottom of the bed
  • Beds of partially decomposed material of size 6x3x2 feet should be made
  • Each bed should contain 6.5 -7qunital of raw material and the number of beds can be increased as per raw material availability and requirement.
  • Red earthworm (1500-2000) should be released on the upper layer of bed
  • Water should be sprinkled with sprinkler immediately after the release of worms
  • Beds should be kept moist by sprinkling of water (daily) and by covering with gunny bags/polythene
  • Bed should be turned once after week for maintaining aeration and for proper decomposition
  • Compost gets ready in 45-50 days
  • The finished product is 3/4th of the raw materials used.HARVESTINGWhen raw material is completely decomposed it appears black and granular. Watering should be stopped as compost gets ready. The compost shout be kept over a heap of partially decomposed cow dung so that earthworms could migrate to cow dung from compost. After two days compost can be separated and separated for use.PREVENTIVE MEASURES
  • The floor of the unit should be compact to prevent earthworms’ migration into the soil
  • 15-20 days old cow dung should be used to avoid excess heat
  • The organic wastes should be free from plastics, chemicals, pesticides and metals etc
  • Aeration should be maintained for proper growth and multiplication of earthworms
  • Optimum moisture level should be maintained
  • 18 to 25 degree Celcius temperature should be maintained for proper decomposition.BENEFITS OF VERMICOMPOST FOR CROPS AND FARMING The level of nutrients in compost depends upon the source of the raw material and the species of earthworm. A fine worm cast is rich in N, P and K besides other nutrients. Nutrients in vermicompost are in readily available form and are released within a month of application.
  • It contains pH 6.8, OC (%) 11.88, OM (%) 20.46, C/N ratio 11.64, Total Nitrogen (%) 1.8, N (%) 0.50, P (%) 0.3, K (%) 0.24, Ca (%) 0.17 and Mg (%) 0.06
  • It provides efficient conversion of organic wastes/crop/animal residues
  • It is a stable and enriched soil conditioner
  • It helps in reducing population of pathogenic microbes
  • It helps in reducing the toxicity of heavy metals.
  • It is economically viable and environmentally safe nutrient supplement for organic food production
  • It is an easily adoptable low cost technology 

The writers, Dr. SS Walia and Dr. Neeraj Rani, respectively, work as Principal Agronomist and Soil chemist in the School of Organic Farming, Punjab Agricultural University, Ludhiana.

Dr. Walia is recipient of best organic farming centre award (2019) by the Indian council for agricultural research (ICAR). He started research in organic farming as a Ph.D student and also worked on organic farming and integrated farming systems in the all India co-ordinated research project on Integrated Farming Systems and Network Project on Organic Farming.

Dr. Neeraj did her Ph. D (soil science) on “Bioavailability and transformation of chromium in soils as influenced by farm yard manure (FYM) and lime applications and found that FYM was considered the best amendment in remediating heavy metal toxicity. She is working in All India Coordinated Research project (AICRP) on Integrated farming system and Network project on organic farming. She is doing work on production of vermin-compost since 2008. She’s also recipient of best organic farming centre award (2019) by ICAR.

 

 

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238 Comments

  1. Bai Ji,
    Very Good topic you have taken.
    It is latest trend and very profitable venture.
    Bai Ji, what about Finacial aspects ??

  2. It is a good business model also. There are lots of entrepreneurs who are working in this field. A kilogram of vermicompost sells for RS. 5 to 30 a kilogram depending on season, quantity and the city where the compost is made.
    I want to request the cropsfarming.com to write an article giving suggestions as to how such a venture could be started and how much cost is required.

  3. It has potential revenue benefits..
    I believe big cities like Mumbai, apartments already has these facilities..
    It’s the best way to handle recyclable waste..
    Why we always depend on government to take initiative??
    We should learn and make others learn about the preparation??
    Good read..

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    ยืนยันเลยว่าการเข้ามาเล่นกับพวกเรา ท่านจะได้เล่นเกมที่ท่านชอบอย่างแน่นอน ทั้งสำหรับการเล่นเกมคาสิโนต่างๆผ่านเว็บไซต์ของเรานั้น สำหรับเพื่อการเล่นไม่ว่าจะเป็นเกมประเภทใด ท่านสามารถเลือกเล่นกันได้แบบใหม่ๆพื้นที่พวกเรานำสัญญาณภาพ

    จากห้องคาสิโนต่างๆมาให้ท่านได้เล่นกันแบบเรียลไทม์ เปรียบได้เสมือนดั่งท่าน ได้เข้าไปนั่งเล่นอยู่ในคาสิโนจริง เลยก็ว่าได้นั่นเอง แม้กระนั้นในการเล่นกับพวกเรานั่น สำหรับในการชำระเงินทุนในแต่ละตา ทางพวกเราไม่มีการกำหนดอย่างต่ำ สำหรับในการเล่นแต่อย่างใด

    ซึ่งท่านสามารถเล่นได้ จากที่ทุกท่านสะดวกสำหรับการลงเงินนั่นเอง ซึ่งไม่ว่าจะเป็นนักลงทุนที่ มีเงินทุนมากมาย หรือมีเงินทุนน้อย ก็สามารถเข้ามาเล่นเกมกับ คาสิโนยูฟ่า ของพวกเราได้อย่างไม่ต้องสงสัย ทำให้คาสิโนของพวกเรา มีนักพนันมากไม่น้อยเลยทีเดียว ที่เข้ามาเล่นเกมคาสิโนกับเรา อย่างมากเลยทีเดียว

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