Effect of Differently Matured Composts from Willow on Growth and Development of Lettuce

Bekier, Jakub; Jamroz, Elżbieta; Sowiński, Józef; Adamczewska-Sowińska, K.; Kałuża-Haładyn, Andrea

doi:10.3390/agronomy12010175

Cited by 9 publications

(14 citation statements)

References 45 publications

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“…The physical properties of compost materials change including willow chips hence undertaking research to evaluate this technology against willow chips and its further use. The beneficial effect of composted willow biomass as a horticultural substrate for growing tomato transplants and for growing lettuce at early development stages was confirmed in studies by Adamczewska Sowińska et al [ 9 ], Bekier et al [ 12 ].…”

Section: Introductionmentioning

confidence: 78%

“…Willow for biomass can be cultivate on a range of environmental condition (including marginal land) up to 20 years with multiple harvests on three- to four-year cycles. Shredded willow wood biomass undergoes the biotransformation process of the lignocellulosic complex into stable, more complex humic substances [ 12 ]. Compost constitutes a source of macronutrients, being one of the best methods of utilization of various biomasses, including the difficult to utilize, to reuse it for agricultural, reclamation, or horticultural purposes as a horticulture media [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

“…The application of compost allows carbon to be sequestered in the form of stable organic matter, increases, and keep soil organic carbon at stable levels, therefore, it is one of the key objectives in the priorities of the European Union’s [ 14 ]. It is also known to improve the physical properties of excessively hydrated biomass by adding wood waste or sawdust to the composting process [ 15 ] or shredded wood waste or wood can be fully composted [ 12 , 16 ].…”

Section: Introductionmentioning

confidence: 99%

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The changes of willow biomass characteristics during the composting process and their phytotoxicity effect on Sinapis alba L.

et al. 2022

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This study evaluated in 2019–2021 the use of willow chips for compost production and its effect on Sinapis alba L. germination index and seedling growth. Peatlands and peat are of very important economic but above all environmental significance. The conservation of peatland resources is one of the most crucial future challenges. Composts and other forms of lignin-cellulosic biomass are potentially the best renewable alternative to peat in its economic use. Composted lignin-cellulosic biomass can replace peat and be used as a substrate for vegetable transplant production. The impact of modifying the willow lignin-cellulosic biomass composting process has not been well analysed. A compost experiment with willow biomass was conducted to study its effect on selected compost indexes (particle size structure in %, bulk density (kg m-3), and total nitrogen content). The quality assessment of the willow composts was determined after six months of composting process based on the N content and morphological characteristics of tested plant in vegetative chamber. Sinapis alba L. was germinated on a water extract made from willow compost using the following additives to willow biomasses: W0—without additives, WN—with the addition of nitrogen, WF—with the addition of mycelium, WNF—with the addition of nitrogen and mycelium. During the composting process, samples were taken after each mixing of the biomass pile to assess their maturity through the use of a bioassay. Willow biomass did not have a negative effect on biological evaluation parameters, and in some indicators, such as the length of embryonic roots in the VI period of the measurements, it was stimulating (61–84% longer in W0 and WF than in the control). The addition of nitrogen during the composting process, especially in the initial composting period, had a strong inhibitory effect.

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Section: Introductionmentioning

confidence: 78%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The changes of willow biomass characteristics during the composting process and their phytotoxicity effect on Sinapis alba L.

et al. 2022

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“…Among the potential alternative sources of raw materials replacing peat may be lignocellulosic biomass obtained from Short Rotation Coppice (SRC), e.g. from Salix viminalis L. Shredded wood biomass undergoes the biotransformation and transformation process of the lignincellulosic complex into humic and fulvic acids [10]. It is well known that compost constitutes a source of macronutrients, being one of the best methods of utilization of various biomasses, including the difficult to utilize, to reuse it for agricultural, reclamation, or horticultural purposes [11].…”

Section: Introductionmentioning

confidence: 99%

“…The application of compost allows carbon to be sequestered in the form of stable organic matter, increases, and keep soil organic carbon at stable levels, therefore, it is one of the key objectives in the priorities of the European Union's Thematic Strategy for Soil Protection [12]. It is also known to improve the physical properties of excessively hydrated biomass by adding wood waste or sawdust to the composting process [13] or shredded wood waste or wood can be fully composted [10,14].…”

Section: Introductionmentioning

confidence: 99%

The Changes of Willow Biomass Characteristics During the Composting Process and Their Phytotoxicity Effect on Sinapis Alba L.

Sowiński

Jama-Rodzeńska

Perera

2022

Preprint

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This study evaluated the use of willow chips for compost production and its effect on Sinapis alba L. germination index and seedling growth. A compost experiment with willow biomass was conducted to study its effect on selected compost indexes (particle structure in %, bulk density (kg m-3 ), and total nitrogen content). The quality assessment of the willow composts was determined after six months of composting process based on the N content and morphological characteristics of tested plant in vegetative chamber. Sinapis alba L. was germinated on a water extract made from willow compost using the following additives to willow biomasses: W0 - without additives, WN - with the addition of nitrogen, WF - with the addition of mycelium, WNF - with the addition of nitrogen and mycelium. During the composting process, samples were taken after each mixing of the bio-mass pile to assess their maturity through the use of a bioassay. Willow biomass did not have a negative effect on biological evaluation parameters, and in some indicators, such as the length of embryonic roots in the VI period of the measurements, it was stimulating (61-84% longer in W0 and WF than in the control). The addition of nitrogen during the composting process, especially in the initial composting period, had a strong inhibitory effect.

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Compost from willow biomass (Salix viminalis L.) as a horticultural substrate alternative to peat in the production of vegetable transplants

Adamczewska-Sowińska

Sowiński²,

Jamroz³

et al. 2022

Sci Rep

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Willow (Salix viminalis L.) is a species well adapted to the environment conditions of central Europe. It is mainly cultivated for energy purposes as solid fuel. In this study, an evaluation of its suitability for other purposes was made using a 4-year old short rotation coppice (SRC) willow regrowth to produce chipped biomass which was composted. Four composting methods were used: without additives (WC), with the addition of nitrogen to narrow the C:N ratio (WN), with the addition of mycelium (WPG) and with the addition of mycelium and nitrogen (WPGN). A mixture of WC and WPGN composts was also prepared at 75:25% and 50:50% by volume. Composts, different proportion (25, 50 and 75%) of peat (SM) were evaluated for suitability as a substrate for tomato and cucumber transplant production. Tomato transplants produced in the medium were prepared from mixtures of willow composts (WPGN + WC(1) and WPGN + WC(2) and these mixtures with peat (WPGN + WC(1):SM and WPGN + WC(2):SM) were characterised as having the best parameters: plant height, lateral leaf span and number of leaves. Similarly, for cucumber transplants, better growth conditions than in peat substrate were obtained in the variant WPGN + WC(1) and WPGN + WC(1):SM. The addition of nitrogen to the composted biomass positively influenced the composting process. N concentration in the substrate was too high and toxic for the growth of tomato and cucumber transplants. At the end of the tomato and cucumber experiment, the nitrate content was 1510 and 2260 mg dm−3, respectively, in the WN substrate. Similarly, the high N–NO3− content in the composted willow substrate with the addition of nitrogen and mycelium did not promote the growth of tomato and cucumber. Based on this research at least 25% of the mass of the peat can be replaced by different willow composts without having an adverse impact on seedling growth and with some of the willow compost mixtures this could be as high as 50%.

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Effect of Differently Matured Composts from Willow on Growth and Development of Lettuce

Cited by 9 publications

References 45 publications

The changes of willow biomass characteristics during the composting process and their phytotoxicity effect on Sinapis alba L.

The changes of willow biomass characteristics during the composting process and their phytotoxicity effect on Sinapis alba L.

The Changes of Willow Biomass Characteristics During the Composting Process and Their Phytotoxicity Effect on Sinapis Alba L.

Compost from willow biomass (Salix viminalis L.) as a horticultural substrate alternative to peat in the production of vegetable transplants

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