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Organic substrate for transplant production in organic nurseries. A review

Pascual, Jose Antonio; Ceglie, Francesco; Tuzel, Yuksel; Koller, Martin; Koren, Amnon; Hitchings, Roger and Tittarelli, Fabio (2018) Organic substrate for transplant production in organic nurseries. A review. Agronomy for Sustainable Development (published online), 38:35, pp. 1-23.

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A transplant can be defined as a seedling or sprouted vegetative propagation material grown in a substrate or in the field, for transfer to the final cropping site. Nurseries use a range of growing media in the production of transplants, and the quality of a substrate may be defined in terms of its feasibility for the intended use and also according to the climatic condition of the production site. Peat is the worldwide standard substrate, but because of its origin and the increasing environmental and ecological concerns, new alternatives have been proposed for organic production. Here, we reviewed these new alternatives, assuming that the proposed growing media will need to respond in a proper way to specific plant requirements while also taking them into consideration to be environmental friendly, at the same time. Appropriate composting management combined with suitable feedstock material can produce substrates with adequate properties to develop transplants. Potential added-value benefits of particularized compost have been highlighted, and these include suppressiveness or capacity for plant pathogen control, biofertilization, and biostimulation. This added value is an important point in relation to the framework of organic agriculture because the use of chemical fertilizers and pesticides is limited. Different permitted fertilizers are proposed by incorporating them by dress fertilization before planting or by foliar fertilization or fertigation during the seedling production phase. In this context, specific beneficial microorganism inoculation demonstrates better and quicker nutrient solubilization. Its inclusion during seedling production not only facilitates plant growth during the germination and seedling stages but also could bring efficient microorganisms or beneficial microorganisms to the field with the transplants. This review will help to bridge the gap between the producers of compost and the seedling plant producers by providing updated literature.

EPrint Type:Journal paper
Keywords:Beneficial microorganisms, Compost, Fertilizer, Nursery, Seedling, Substrate
Agrovoc keywords:
beneficial organisms
Subjects: Crop husbandry > Composting and manuring
Crop husbandry > Greenhouses and coverings
Crop husbandry > Breeding, genetics and propagation
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Knowledge exchange > Advice
European Union
Related Links:http://www.cost.eu/COST_Actions/fa/FA1105, http://www.biogreenhouse.org
Deposited By: Koller, Martin
ID Code:33304
Deposited On:18 Jun 2018 09:02
Last Modified:29 Nov 2023 09:52
Document Language:English
Refereed:Peer-reviewed and accepted

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