In conclusion, vermicomposts and composts from agricultural
wastes can be used as ingredients in growth media. However, vermicompost,
either produced by straight vermicomposting or by
vermicomposting after composting (thermophilic phase only), outperforms
compost obtained simultaneously from the same batch
of horticultural waste: vermicompost can be used in high proportions
(more than 50%) in the growth media for rooting cuttings
of rosemary whilst compost can only be used in low proportions
(not above 25%). Besides, vermicompost produced by straight vermicomposting
improved rooting, root length and root weight of
cuttings despite its low levels of nutrients. However, although vermicomposts
give acceptable results, they do not perform as well
as peat for growing rosemary. Finally, the degradation observed
in all the growth media assayed after six months represented an
improvementin the substrate quality andmightfacilitate the transplanting
of rosemary to the soil.
In conclusion, vermicomposts and composts from agriculturalwastes can be used as ingredients in growth media. However, vermicompost,either produced by straight vermicomposting or byvermicomposting after composting (thermophilic phase only), outperformscompost obtained simultaneously from the same batchof horticultural waste: vermicompost can be used in high proportions(more than 50%) in the growth media for rooting cuttingsof rosemary whilst compost can only be used in low proportions(not above 25%). Besides, vermicompost produced by straight vermicompostingimproved rooting, root length and root weight ofcuttings despite its low levels of nutrients. However, although vermicompostsgive acceptable results, they do not perform as wellas peat for growing rosemary. Finally, the degradation observedin all the growth media assayed after six months represented animprovementin the substrate quality andmightfacilitate the transplantingof rosemary to the soil.
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