Page 68 - ingilizce

Table 6. Effect of vermicompost on physiochemical properties of soil on different crops [24]

-1
-3
Crop Treatments pH EC (dSm ) BD (g.cm ) Porosity (%)
Control 7.4 ± 2 01 2.0 ± 1.0 — 39 ± 2.0
Rice Vermicompost 7.1 ± 0.01 1.01 ± 1.0 — 41 ± 1.0

Vermi-wash 7.2 ± 1.02 2.0 ± 1.1 — 40 ± 1.1

Vermicompost + Vermi-wash 7.0 + 0.03 0.02 ± 0.01 — 44 ± 1.0

Soil sample 8.56 25.82 1.52 25.38
Wheat

-1
Vermicompost / 5 g.kg soil 7-6 4.65 1.42 26.85

Table 7. Comparison between the effect of vermicompost and conventional compost on different
nutrient content of the Amaranthus viridis production [71]

−2
Compost (g.m )
Parameters Vermicompost Conventional compost

100 150 100 150

Nitrogen (%) 0.61 0.72 0.54 0.62

Phosphorus (%) 0.0057 0.0077 0.0039 0.0047
Potassium (%) 11.11 11.17 10.41 10.48

Calcium (%) 1.443 1.683 0.561 0.641

9.1.3. Effect of vermicompost on the soil biological properties

Biological properties of soil can be enhanced through application of vermicompost. Recent
studies founded that soil biological characteristics viz. soil organic carbon as well as soil

microbial biomass, enzymatic activity, population of different beneficial microorganism,
hormones, etc. significantly enhanced with application of vermicompost. The activity of the

dehydrogenase enzyme, which is commonly employed to quantify the respiratory activity of

microbial communities, was shown to be higher in vermicompost than in commercial medium.
Application of vermicompost improved the nitrogen status of soil by introducing the beneficial

microorganism in the rhizosphere of the plant which ultimately enhances the nitrogenase
activity in soil, which is the enzyme responsible for nitrogen fixation [24, 72, 73].

61