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Perionyx excavatus is a commercially produced earthworm.Popular names for this species include composting worms, blues, or Indian blues.This species is marketed for its ability to create fine worm castings quickly.
Containing water-soluble nutrients, vermicompost is a nutrient-rich organic fertilizer and soil conditioner in a form that is relatively easy for plants to absorb. [3] Worm castings are sometimes used as an organic fertilizer. Because the earthworms grind and uniformly mix minerals in simple forms, plants need only minimal effort to obtain them.
Domestic sewage vermifilter showing accumulated contents (composting worms exposed) A vermifilter (also vermi-digester or lumbrifilter) is an aerobic treatment system, consisting of a biological reactor containing media that filters organic material from wastewater.
New Holland Haybine 1469. A conditioner (or hay conditioner) is a farm implement that crimps and crushes newly cut hay to promote faster and more even drying. Drying the hay efficiently is most important for first cutting of the hay crop, which consists of coarse stalks that take a longer period of time to draw out moisture than finer-textured hays, such as second and subsequent cuttings.
Eisenia fetida, known under various common names such as manure worm, [2] redworm, brandling worm, panfish worm, trout worm, tiger worm, red wiggler worm, etc., is a species of earthworm adapted to decaying organic material. These worms thrive in rotting vegetation, compost, and manure. They are epigean, rarely found in soil.
Biosolids can be an ideal agricultural conditioner and fertilizer [10] which can help promote crop growth to feed the increasing population. Biosolids may contain macronutrients nitrogen , phosphorus , potassium and sulphur with micronutrients copper , zinc , calcium , magnesium , iron , boron , molybdenum and manganese .
The worm has a hydrostatic skeleton and moves by longitudinal and circular muscular contractions. Setae – tiny hair-like projections – provide leverage against the surrounding soil. Surface movements on moist, flat terrain were reported at a speed of 20 m/h and, based on measurements of the length of the trail, nocturnal activity away from ...
All the fields they found had corn rootworms resistant to the traits, but they observed that significantly more corn rootworm larvae survived in fields with Bt resistance. They recommend faithful crop rotation not only for reducing the population of the worm, but to slow the adaptation of the worm as well. [15]