Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries

Nursery producers grow plants in containers, mainly using substrates based on peat. In order to replace the use of peat, diverse mixtures of substrates combining different proportions of the moss Sphagnum magellanicum Brid. (40, 50 and 60%) and alternative organic materials, such as compost, humus a...

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Autores principales:	Oberpaur,Christel, Puebla,Víctor, Vaccarezza,Flavia, Arévalo,María E
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2010
Materias:	Compost composted pine bark humus Lactuca sativa lettuce moss Sphagnum
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202010000100012
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spelling	oai:scielo:S0718-162020100001000122010-06-10Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseriesOberpaur,ChristelPuebla,VíctorVaccarezza,FlaviaArévalo,María E Compost composted pine bark humus Lactuca sativa lettuce moss Sphagnum Nursery producers grow plants in containers, mainly using substrates based on peat. In order to replace the use of peat, diverse mixtures of substrates combining different proportions of the moss Sphagnum magellanicum Brid. (40, 50 and 60%) and alternative organic materials, such as compost, humus and composted pine bark, were tested. In the frst trial under laboratory conditions, conducted in October 2006, the physicochemical characteristics of nine initial mixtures, including a control, were determined. Five mixtures, with similar physicochemical conditions as the control, and a commercial peat mixture, were selected by the application of Euclidean minimum distances. The fnally selected mixtures were three combinations of moss with composted pine bark (60 - 40, 50 - 50 and 40 - 60), a mixture composed of 60% moss and 40% humus and a mixture of 60% moss and 40% compost. In the second trial, under nursery shade conditions, conducted in December 2006, the selected mixtures were sown with lettuce seeds in a complete randomized block statistical design with six treatments and fve replicates. The emergence rate, number of leaves, plant height, canopy weight and root dry weight were evaluated. The results, analyzed by ANOVA and the multiple comparisons test of Duncan (p ≤ 0.05), indicated that it is feasible to use the mixtures composed of 60% moss + 40% humus and 60% moss + 40% compost.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.37 n.1 20102010-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202010000100012en10.4067/S0718-16202010000100012
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Compost composted pine bark humus Lactuca sativa lettuce moss Sphagnum
spellingShingle	Compost composted pine bark humus Lactuca sativa lettuce moss Sphagnum Oberpaur,Christel Puebla,Víctor Vaccarezza,Flavia Arévalo,María E Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries
description	Nursery producers grow plants in containers, mainly using substrates based on peat. In order to replace the use of peat, diverse mixtures of substrates combining different proportions of the moss Sphagnum magellanicum Brid. (40, 50 and 60%) and alternative organic materials, such as compost, humus and composted pine bark, were tested. In the frst trial under laboratory conditions, conducted in October 2006, the physicochemical characteristics of nine initial mixtures, including a control, were determined. Five mixtures, with similar physicochemical conditions as the control, and a commercial peat mixture, were selected by the application of Euclidean minimum distances. The fnally selected mixtures were three combinations of moss with composted pine bark (60 - 40, 50 - 50 and 40 - 60), a mixture composed of 60% moss and 40% humus and a mixture of 60% moss and 40% compost. In the second trial, under nursery shade conditions, conducted in December 2006, the selected mixtures were sown with lettuce seeds in a complete randomized block statistical design with six treatments and fve replicates. The emergence rate, number of leaves, plant height, canopy weight and root dry weight were evaluated. The results, analyzed by ANOVA and the multiple comparisons test of Duncan (p ≤ 0.05), indicated that it is feasible to use the mixtures composed of 60% moss + 40% humus and 60% moss + 40% compost.
author	Oberpaur,Christel Puebla,Víctor Vaccarezza,Flavia Arévalo,María E
author_facet	Oberpaur,Christel Puebla,Víctor Vaccarezza,Flavia Arévalo,María E
author_sort	Oberpaur,Christel
title	Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries
title_short	Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries
title_full	Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries
title_fullStr	Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries
title_full_unstemmed	Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries
title_sort	preliminary substrate mixtures including peat moss (sphagnum magellanicum) for vegetable crop nurseries
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2010
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202010000100012
work_keys_str_mv	AT oberpaurchristel preliminarysubstratemixturesincludingpeatmosssphagnummagellanicumforvegetablecropnurseries AT pueblavictor preliminarysubstratemixturesincludingpeatmosssphagnummagellanicumforvegetablecropnurseries AT vaccarezzaflavia preliminarysubstratemixturesincludingpeatmosssphagnummagellanicumforvegetablecropnurseries AT arevalomariae preliminarysubstratemixturesincludingpeatmosssphagnummagellanicumforvegetablecropnurseries
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Preliminary substrate mixtures including peat moss (Sphagnum magellanicum) for vegetable crop nurseries

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