Evaluation of Organic-Based Fertilizers for the Production of Ornamental Bedding Plants

Rochefort, Skip; O’Donoughue, Louise S.; Authier, Nicolas; Delorme, M.

doi:10.17660/actahortic.2013.982.4

Cited by 2 publications

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“…In a study with wax begonia (Begonia xsemperflorens-cultorum) and Surfinia petunia, Rochefort et al (2013) used three liquid organic or organo-mineral fertilizers: General Purpose 15-1.31-9.13 (BioFert Manufacturing Inc., B.C., Canada), Nature's Source 10-1. B.C.,Canada).…”

Section: Liquid Fertilizersmentioning

confidence: 99%

Substrates and fertilizers for organic container production of herbs, vegetables, and herbaceous ornamental plants grown in greenhouses in the United States

Burnett

Mattson

Williams

2016

Scientia Horticulturae

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The value of organic greenhouse production in the United States is $112 million, and organic floriculture production has increased 40% in greenhouses since 2008. The U.S. National Organic Program (NOP) guidelines allow organic production in containers. One of the primary concerns for current and potential organic container growers is managing container substrate and plant fertility. This manuscript provides a review of current literature on organic substrates and fertilizers for container grown herbs, vegetables and herbaceous ornamentals according to NOP guidelines. Organic-approved substrates can be purchased from commercial suppliers or produced in house. Many organic substrate components are similar to those used in conventional production (peat moss, pine bark, perlite, vermiculite, rice hulls, and whole pine tree) but lack a synthetic wetting agent. Growers who mix their own substrates often add compost at percentages ranging from 20 to 50%. Compost has high water holding and cation exchange capacity. It is often locally or regionally produced and purchased, which impacts variability and quality. For this reason, growers often need to manage substrates with compost more carefully. Single source or blended organic fertilizers may be incorporated in substrates prior to planting. These are derived from a variety of plant and animal based sources. A small number of mined components may be added to substrate-incorporated fertilizers (i.e. limestone). These fertilizers will typically last for four to five weeks, and are often supplemented with liquid fertilizers for longer-term crops or species with high nitrogen requirements. Liquid fertilizers also tend to be more quickly plant available compared to substrate-incorporated fertilizers. With careful management, it is possible to grow container plants in organic production systems that are comparable to those produced in conventional production systems.

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Section: Liquid Fertilizersmentioning

confidence: 99%

Substrates and fertilizers for organic container production of herbs, vegetables, and herbaceous ornamental plants grown in greenhouses in the United States

Burnett

Mattson

Williams

2016

Scientia Horticulturae

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show abstract

“…The diverse characteristics of bio-based fertilizers have led to mixed performance when incorporating them into container-crop systems. However, when qualities particular to bio-based fertilizers are considered and adjusted for, these fertilizers have been successfully used in the production of vegetable crops and transplants, along with bedding plants and potted plants produced for their flowers (Bi et al, 2010;Eaton et al, 2013;Gagnon and Berrouard, 1994;Gravel et al, 2012;Rochefort et al, 2013;Williams and Nelson, 1992;Williams et al, 2009). Nevertheless, because of the lack of standardized availability of individual bio-based fertilizer feedstock materials, continued research is necessary to examine new materials for their potential use in biobased fertility management.…”

Section: Bio-based Fertilizers For Container-crop Productionmentioning

confidence: 99%

The horticultural potential of wastewater-grown algae fertilizers

Gimondo

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Evaluation of Organic-Based Fertilizers for the Production of Ornamental Bedding Plants

Cited by 2 publications

References 0 publications

Substrates and fertilizers for organic container production of herbs, vegetables, and herbaceous ornamental plants grown in greenhouses in the United States

Substrates and fertilizers for organic container production of herbs, vegetables, and herbaceous ornamental plants grown in greenhouses in the United States

The horticultural potential of wastewater-grown algae fertilizers

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