Biodegradable polymers as floating row covers in field production of radish
ABSTRACT Polypropylene (PP) covers are used in radish (Raphanus sativus L. var. sativus) production to provide better microclimate for improving yield and quality, but disposing of non-degradable covers is difficult and expensive. In this work, nonwovens prepared from biodegradable polymers (aliphat...
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Instituto de Investigaciones Agropecuarias, INIA
2019
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oai:scielo:S0718-583920190002002432019-05-14Biodegradable polymers as floating row covers in field production of radishKalisz,AndrzejGrabowska,AnetaSekara,AgnieszkaCapecka,EwaLibik,AndrzejSulak,KonradJurkow,Rita Aliphatic-aromatic copolyesters degradable nonwovens PAR Raphanus sativus temperature yield ABSTRACT Polypropylene (PP) covers are used in radish (Raphanus sativus L. var. sativus) production to provide better microclimate for improving yield and quality, but disposing of non-degradable covers is difficult and expensive. In this work, nonwovens prepared from biodegradable polymers (aliphatic-aromatic copolyesters with and without fatty acid dimers: SB48/11, SB20/13, SB21/13, SB28/13) were tested in the field as substitutes for nonwoven PP. Minimum air temperature under biodegradable covers was higher by 0.6-0.8 °C than under nonwoven PP, but photosynthetically active radiation (PAR) transmission was lower by 4.1% (SB20/13) and 7.1% (SB21/13). We observed a decrease in marketable yield of plants covered with biodegradable fleeces by 1.01 to 2.90 kg m-2 (SB48/11 and SB28/13, respectively) in spring seasons, but similar yields to nonwoven PP were obtained in the autumn seasons. Dry weight, soluble sugars, L-ascorbic acid, pigments content in radish was dependent on a specific set of environmental conditions rather than on the type of cover. However, L-ascorbic acid content in the roots increased significantly by 6.4 and 2.9 mg 100 g-1 FW for SB48/11 and SB20/13 (in one trial), respectively, as compared to nonwoven PP. It is possible to use biodegradable nonwovens as floating covers for radish cultivated in seasons with temperature drops.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.79 n.2 20192019-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392019000200243en10.4067/S0718-58392019000200243 |
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English |
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Aliphatic-aromatic copolyesters degradable nonwovens PAR Raphanus sativus temperature yield |
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Aliphatic-aromatic copolyesters degradable nonwovens PAR Raphanus sativus temperature yield Kalisz,Andrzej Grabowska,Aneta Sekara,Agnieszka Capecka,Ewa Libik,Andrzej Sulak,Konrad Jurkow,Rita Biodegradable polymers as floating row covers in field production of radish |
description |
ABSTRACT Polypropylene (PP) covers are used in radish (Raphanus sativus L. var. sativus) production to provide better microclimate for improving yield and quality, but disposing of non-degradable covers is difficult and expensive. In this work, nonwovens prepared from biodegradable polymers (aliphatic-aromatic copolyesters with and without fatty acid dimers: SB48/11, SB20/13, SB21/13, SB28/13) were tested in the field as substitutes for nonwoven PP. Minimum air temperature under biodegradable covers was higher by 0.6-0.8 °C than under nonwoven PP, but photosynthetically active radiation (PAR) transmission was lower by 4.1% (SB20/13) and 7.1% (SB21/13). We observed a decrease in marketable yield of plants covered with biodegradable fleeces by 1.01 to 2.90 kg m-2 (SB48/11 and SB28/13, respectively) in spring seasons, but similar yields to nonwoven PP were obtained in the autumn seasons. Dry weight, soluble sugars, L-ascorbic acid, pigments content in radish was dependent on a specific set of environmental conditions rather than on the type of cover. However, L-ascorbic acid content in the roots increased significantly by 6.4 and 2.9 mg 100 g-1 FW for SB48/11 and SB20/13 (in one trial), respectively, as compared to nonwoven PP. It is possible to use biodegradable nonwovens as floating covers for radish cultivated in seasons with temperature drops. |
author |
Kalisz,Andrzej Grabowska,Aneta Sekara,Agnieszka Capecka,Ewa Libik,Andrzej Sulak,Konrad Jurkow,Rita |
author_facet |
Kalisz,Andrzej Grabowska,Aneta Sekara,Agnieszka Capecka,Ewa Libik,Andrzej Sulak,Konrad Jurkow,Rita |
author_sort |
Kalisz,Andrzej |
title |
Biodegradable polymers as floating row covers in field production of radish |
title_short |
Biodegradable polymers as floating row covers in field production of radish |
title_full |
Biodegradable polymers as floating row covers in field production of radish |
title_fullStr |
Biodegradable polymers as floating row covers in field production of radish |
title_full_unstemmed |
Biodegradable polymers as floating row covers in field production of radish |
title_sort |
biodegradable polymers as floating row covers in field production of radish |
publisher |
Instituto de Investigaciones Agropecuarias, INIA |
publishDate |
2019 |
url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392019000200243 |
work_keys_str_mv |
AT kaliszandrzej biodegradablepolymersasfloatingrowcoversinfieldproductionofradish AT grabowskaaneta biodegradablepolymersasfloatingrowcoversinfieldproductionofradish AT sekaraagnieszka biodegradablepolymersasfloatingrowcoversinfieldproductionofradish AT capeckaewa biodegradablepolymersasfloatingrowcoversinfieldproductionofradish AT libikandrzej biodegradablepolymersasfloatingrowcoversinfieldproductionofradish AT sulakkonrad biodegradablepolymersasfloatingrowcoversinfieldproductionofradish AT jurkowrita biodegradablepolymersasfloatingrowcoversinfieldproductionofradish |
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1714205387939381248 |