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AgroStar Krishi Gyaan
Pune, Maharashtra
19 Mar 18, 10:00 AM
Advisory ArticleAgroStar Agronomy Centre of Excellence
Method to prepare vermicompost
Vermicompost is very important in terms of improving the soil and crop growth. Main function of the earthworm is to mix the organic substances, humus and the soil thoroughly and to spread the mixture in different layers of the soil. Due to this, the water retention capacity of the soil increases. The excreta of earthworm contains nitrogen, phosphorous, potash, calcium and micro nutrients. So, it helps to maintain the proper level of pH of the soil. Selection of the earthworms - Earthworms in the group of phytophagous, epigeic or humus formers successfully make the vermicompost. On the other hand, endogeic, geophagous earthworms living deep in the soil are not useful for making the vermicompost.
How to prepare vermicompost - • Dung, left over cattle feed, twigs, crop cuttings should be half decomposed. Make a bed like structure on the surface of the ground. No need to make a pit. • Put a 2-3 inches thick layer of slowly decomposing organic substances (sheath, dried leaves, crop cuttings etc.) on the soil. Add earthworms in it. Then cover this bed with the help of gunny cloth. • Control the temperature of the bed from 25 to 28 degree Celsius. pH should be maintained upto 6.5 to 7.5. Moisture should be 45 to 50 percent. • The bed for preparing vermicompost, should be under the shelter. • Lumps of soil present in the bed should be crushed by hand and the material in the bed should be moved upside down once in a week. • Within one month or a little more, a tea powder like compost will be ready. Separate this compost. • Before drawing the ready compost, water should not be given in the worm bed for eight days. Keep small hips of the compost prepared so that earthworms move towards the bottom of the bed. • Separate out the vermicompost and the non decomposed parts should be given to the worms again. While separating the vermicompost, possibly, do not use pickaxe, excavator & shovel. By doing so, it will not injure the earthworms. AgroStar Agronomy Centre of Excellence