Commercial humic substances stimulate tomato growth

A. F. Patti, W. R. Jackson, S. Norng, M. T. Rose, T. R. Cavagnaro

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

Abstract

A greenhouse experiment was conducted to investigate the effects of two commercial lignite-derived, humic substance-containing products (K-humate and K-fulvate) on tomato yield and nutrient uptake in soil and sand cultures. Seeds of tomato (Acadia cv. field busm) were grown in pots filled with soil and sand media and pretreated with a basic nutrient solution (control) and two levels of the K-humate and K-fulvate (equivalent to 0, 8 and 80 L ha-1): low rate and high rate, respectively. A foliar treatment was included using only the low rate. Plant growth response as indicated by the fresh/dry biomass and incorporation of macro and secondary nutrients (N, P, K, Ca, Mg, S) into shoots were measured. Low rates (8 L ha-1) of K-humate and K-fulvate application on growth media and in foliar treatments resulted in significant (p < 0.001) increases in fresh/dry biomass of shoot and fruits and increased nutrient uptake. Effects at high rates (80 L ha-1) of treatment were less beneficial but still demonstrated significant (p < 0.001) improvement over the controls. The highest increases in major nutrient (NPK) uptake resulted from the humate foliar application in soil and from the fulvate foliar treatment in sand culture, which were well correlated with increased fresh/dry biomass of shoots and fruits. The results from this study demonstrate that both the K-fulvate and K-humate commercial products derived from lignite can potentially be employed to improve and sustain soil fertility, increase crop productivity and yield, and improve/correct plant nutrient deficiency by foliar applications during growth.

Original languageEnglish
Title of host publicationFunctions of Natural Organic Matter in Changing Environment
Subtitle of host publicationWith 356 figures
EditorsJianming Xu, Jianjun Wu, Yan He
Place of PublicationDordrecht Germany
PublisherSpringer
Pages1079-1084
Number of pages6
Volume1
ISBN (Electronic)9789400756342
ISBN (Print)9789400756335, 9787308102711
DOIs
Publication statusPublished - 1 Aug 2013
EventInternational Conference of International Humic Substances Society - Zhejiang University, Hangzhou, China
Duration: 9 Sep 201214 Sep 2012
Conference number: 16

Conference

ConferenceInternational Conference of International Humic Substances Society
Abbreviated titleIHSS 2012
CountryChina
CityHangzhou
Period9/09/1214/09/12

Keywords

  • Exchangeable cations
  • Foliar treatment
  • Humic substances
  • K-fulvate
  • K-humate
  • Plant growth

Cite this

Patti, A. F., Jackson, W. R., Norng, S., Rose, M. T., & Cavagnaro, T. R. (2013). Commercial humic substances stimulate tomato growth. In J. Xu, J. Wu, & Y. He (Eds.), Functions of Natural Organic Matter in Changing Environment: With 356 figures (Vol. 1, pp. 1079-1084). Dordrecht Germany: Springer. https://doi.org/10.1007/978-94-007-5634-2_200
Patti, A. F. ; Jackson, W. R. ; Norng, S. ; Rose, M. T. ; Cavagnaro, T. R. / Commercial humic substances stimulate tomato growth. Functions of Natural Organic Matter in Changing Environment: With 356 figures. editor / Jianming Xu ; Jianjun Wu ; Yan He. Vol. 1 Dordrecht Germany : Springer, 2013. pp. 1079-1084
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Patti, AF, Jackson, WR, Norng, S, Rose, MT & Cavagnaro, TR 2013, Commercial humic substances stimulate tomato growth. in J Xu, J Wu & Y He (eds), Functions of Natural Organic Matter in Changing Environment: With 356 figures. vol. 1, Springer, Dordrecht Germany, pp. 1079-1084, International Conference of International Humic Substances Society, Hangzhou, China, 9/09/12. https://doi.org/10.1007/978-94-007-5634-2_200

Commercial humic substances stimulate tomato growth. / Patti, A. F.; Jackson, W. R.; Norng, S.; Rose, M. T.; Cavagnaro, T. R.

Functions of Natural Organic Matter in Changing Environment: With 356 figures. ed. / Jianming Xu; Jianjun Wu; Yan He. Vol. 1 Dordrecht Germany : Springer, 2013. p. 1079-1084.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

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Patti AF, Jackson WR, Norng S, Rose MT, Cavagnaro TR. Commercial humic substances stimulate tomato growth. In Xu J, Wu J, He Y, editors, Functions of Natural Organic Matter in Changing Environment: With 356 figures. Vol. 1. Dordrecht Germany: Springer. 2013. p. 1079-1084 https://doi.org/10.1007/978-94-007-5634-2_200