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Cited by 12Weed Control and Herbicide ApplicationsAllelopathy and phytotoxic interactionsSoil Carbon and Nitrogen Dynamics

Vinasse and Biochar Effects on Germination and Growth of Palmer Amaranth ( Amaranthus palmeri ), Sicklepod ( Senna obtusifolia ), and Southern Crabgrass ( Digitaria ciliaris )

Soni, Neeta, Leon, Ramon G., Erickson, John E., Ferrell, Jason A., Silveira, Maria L., Giurcanu, Mihai C.·2014·Weed Technology
DOI 10.1614/wt-d-14-00044.1
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Abstract

Vinasse and biochar are by-products of biofuel production that can be used as sources of nutrients to crops or soil amendments to improve soil quality. Despite the recent interest in biochar and vinasse effects on soil properties, little is known about their effect on weed communities. We hypothesized that the addition of biochar and vinasse to the soil could affect weed seed germination and growth, and that different weed species would show different responses to these soil amendments. Therefore, the objectives of this study were to determine the effects of vinasse and biochar on the germination and growth of Palmer amaranth, sicklepod, and southern crabgrass. The study was conducted under laboratory and growth chamber conditions. Treatments consisted of four levels of vinasse (0, 10, 20, and 40 L m −2 ) and biochar (0, 0.5, 2.5, and 12.5 kg m −2 ) applied to a sandy loam soil. Biochar at 0.5 and 2.5 kg m −2 increased germination of Palmer amaranth but had no effect on sicklepod and southern crabgrass. Vinasse reduced germination of all species. However, sicklepod germination was less affected by vinasse at 10 and 20 L m −2 than the other two species. Vinasse at 40 L m −2 decreased Palmer amaranth, southern crabgrass and sicklepod germination 57, 26 and 87%, respectively. Biochar had no consistent effect on the vegetative growth of the species studied. Vinasse at 10 L m −2 stimulated growth of sicklepod and southern crabgrass compared to the nontreated control. Our results suggested that vinasse used as a soil amendment could affect weed community structure by decreasing germination of susceptible species, but plants and weed species that can get established in vinasse amended soils might show higher growth rates.

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  • Adding biochar at 0.5 and 2.5 kg m−2 to soil increased seed germination of Palmer amaranth, but had no effect on sicklepod and southern crabgrass.

    “Adding biochar at 0.5 and 2.5 kg m -2 to soil increased seed germination of Palmer amaranth (Soni et al., 2014), but had no effect on sicklepod and southern crabgrass (Soni et al., 2014).”

    From Biochar implications for sustainable agriculture and environment: A review (2019) · cites this paper as Soni et al., 2014

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Authors
Soni, N., Leon, R. G., Erickson, J. E., Ferrell, J. A., Silveira, M. L., & Giurcanu, M. C.
Affiliations
University of Florida (US)
ORCID
Venue
Weed Technology
Publisher
Cambridge University Press (CUP)
Published
2014-12
Volume
28
Issue
4
Pages
694-702
ISSN
  • 0890-037X (ISSN-L)
  • 1550-2740
DOI
10.1614/wt-d-14-00044.1
OpenAlex
W2108014750
Cited by
12
References
28
Citations by year
2026: 1 · 2024: 1 · 2022: 1 · 2021: 2 · 2019: 1 · 2018: 2 · 2017: 3 · 2015: 1
FWCI
1.56
Type
journal article
Language
en
Open access
closed
Licence
www.cambridge.org/core/terms (unspecified, 781 d)
Locations
  • Weed Technology (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
Funders
National Institute of Food and Agriculture
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Weed Control and Herbicide Applications
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Allelopathy and phytotoxic interactions
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
Keywords
vinasse, biochar, Amaranthus palmeri, sicklepod, Senna obtusifolia, Digitaria ciliaris, weed seed germination, weed growth, soil amendment, biofuel by-products, weed community structure, sandy loam soil

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