European Journal of Soil Biology · 2002
Changes in trophic structure of soil arthropods after the application of vermicomposts
Gunadi, B., Edwards, C. A., Arancon, N. Q.
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Changes in trophic structure of soil arthropods after the ap…
Abstract
The trophic structure of soil arthropods in earthworm casts or vermicomposts produced by Eisenia fetida (Savigny) from paper waste, food waste and cow manure, and in field trials was studied during summer 1999. The numbers of soil arthropods in the soil were counted before treatment (as a control), in the vermicomposts, and after application of vermicomposts to soil in the field. The vermicomposts were applied to soil in rows of tomatoes and peppers, at rates of 4.5 ton ha–1, and the numbers of soil arthropods in trophic groups were compared with those in soil receiving conventional composts and inorganic fertilizers. All treatments received the same total amounts of nutrients. Most of the vermicomposts were rich in microbial biomass-N. There was a tendency for the application of inorganic fertilizers, and conventional compost, to tomato and pepper plots to decrease the numbers of trophic groups of soil arthropods. The applications of vermicomposts increased the number of trophic groups of soil arthropods.
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The trophic structure of soil arthropods in earthworm casts or vermicomposts produced by Eisenia fetida (Savigny) from paper waste, food waste and cow manure, and in field trials was studied during summer 1999. The numbers of soil arthropods in the soil were counted before treatment (as a control), in the vermicomposts, and after application of vermicomposts to soil in the field. The vermicomposts were applied to soil in rows of tomatoes and peppers, at rates of 4.5 ton ha–1, and the numbers of soil arthropods in trophic groups were compared with those in soil receiving conventional composts and inorganic fertilizers. All treatments received the same total amounts of nutrients. Most of the vermicomposts were rich in microbial biomass-N. There was a tendency for the application of inorganic fertilizers, and conventional compost, to tomato and pepper plots to decrease the numbers of trophic groups of soil arthropods. The applications of vermicomposts increased the number of trophic groups of soil arthropods.
The trophic structure of soil arthropods in earthworm casts or vermicomposts produced by Eisenia fetida (Savigny) from paper waste, food waste and cow manure, and in field trials was studied during summer 1999. The numbers of soil arthropods in the soil were counted before treatment (as a control), in the vermicomposts, and after application of vermicomposts to soil in the field. The vermicomposts were applied to soil in rows of tomatoes and peppers, at rates of 4.5 ton ha–1, and the numbers of soil arthropods in trophic groups were compared with those in soil receiving conventional composts and inorganic fertilizers. All treatments received the same total amounts of nutrients. Most of the vermicomposts were rich in microbial biomass-N. There was a tendency for the application of inorganic fertilizers, and conventional compost, to tomato and pepper plots to decrease the numbers of trophic groups of soil arthropods. The applications of vermicomposts increased the number of trophic groups of soil arthropods.
Findings
What changed what, as the paper reports it. Grouped by the measured property. The largest groups are open; open the others as you need them.
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