Advances and Trends in Organic Fruit and Vegetable Farming Research

Dorais, Martine; Alsanius, Beatrix

doi:10.1002/9781119107781.ch04

Cited by 19 publications

(17 citation statements)

References 441 publications

(447 reference statements)

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“…Fine tuning of the irrigation management combined with optimal nutrient balance may be challenging for organic greenhouse crops, and can lead with lower yields compared to conventional crops (Dorais and Alsanius, 2015). Although meta-analysis studies have reported that organic fruits and vegetable yields are on average 72% and 80% of conventional yields respectively, productivity of organic greenhouse crops reached on average 94% compared with conventional crops, while 102% was reached with high tunnel organic crops (Dorais and Alsanius 2015). When observed, lower productivity is often related to pest and disease infestation (e.g.…”

Section: Effects On Yieldmentioning

confidence: 99%

“…Impact of water quality and irrigation management on organic greenhouse horticulture | 75 (Dorais and Alsanius 2015). However, the higher nutritional value of organic fruits and vegetables remains to be scientifically proven.…”

Section: Effects On Yieldmentioning

confidence: 99%

“…However, the higher nutritional value of organic fruits and vegetables remains to be scientifically proven. Although organic fruits and vegetables have in general lower nitrate, and higher vitamin C and phenolic compound content as compared with conventional produce, the product quality of organic greenhouse crops might be lower than conventionally grow farm crops when same cultivars are used due in difficulties to fine-tuning soil water content and nutrient availability (Dorais and Alsanius, 2015;Gravel et al 2011).…”

Section: Effects On Yieldmentioning

confidence: 99%

“…Risks related to the uptake of heavy metals by the crop as well as contamination by human pathogens/toxins (e.g. Escherichia coli, Salmonella spp., Listeria monocytogenes) should be carefully considered and their transmission route evaluated (Dorais and Alsanius 2015).…”

Section: Irrigation Managementmentioning

confidence: 99%

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Impact of water quality and irrigation management on organic greenhouse horticulture

Dorais¹,

Alsanius²,

Voogt³

et al. 2016

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AcknowledgementThe information in this booklet is based on the expert opinions of the various authors. Neither they, nor their employers, can accept any responsibility for loss or damage occurring as a result of following the information contained in this booklet.This booklet is based upon work from COST Action FA1105 BioGreenhouse, supported by COST (European Cooperation in Science and Technology). The authors acknowledge COST Action FA 1105 "Towards a sustainable and productive EU organic greenhouse horticulture" for funding the meetings held in the framework of the activities of WG2 "Soil fertility, suppressiveness and water management" during which the main water management issues in organic protected conditions were discussed. They wish to thank many colleagues for their contribution to this brochure and Ms. José Frederiks (Wageningen UR Greenhouse Horticulture) for processing layout and printing and Roger Hitchings for the proofreading.Link to the Action: http://www.cost.eu/COST_Actions/fa/FA1105 and: http://www.biogreenhouse.org/ Correct citation of this documentDorais, M., Alsanius, B. W., Voogt, W., Pepin, S., Tüzel, İ.H., Tüzel, Y., Möller, K. 2016. Impact of water quality and irrigation management on organic greenhouse horticulture. BioGreenhouse COST Action FA 1105, www. 2. Swedish University of Agricultural Sciences, Department of Biosystems and Technology, Alnarp, Sweden. Auteurs and Organisations Martine Dorais3. Wageningen UR Greenhouse Horticulture, Bleiswijk, The Netherlands.4. Laval University, Dept. of Soil and Agri-Food Engineering, Quebec, Canada.5. Ege University, Faculty of Agriculture, Izmir, Turkey.6. Universität Hohenheim, Institute of Crop Science, Stuttgart, Germany.Impact of water quality and irrigation management on organic greenhouse horticulture | 3 6 | Impact of water quality and irrigation management on organic greenhouse horticultureImpact of water quality and irrigation management on organic greenhouse horticulture | 7 PrefaceIn 2008, at the 16th IFOAM Organic World Congress in Modena (IT), about 25 participants expressed their interest in working together in the field of research and development for organic greenhouse or protected horticulture. A two-day workshop was organised in Cologne in 2009 to discuss the subject and further give further support to the collaboration. Forty-five people from across Europe and from Canada attended this workshop. It was decided to pursue joint efforts in the field of organic protected horticulture, in with particular respect to planting material; soil fertility; composting; water management; disease and pest management;climate management and energy conservation; and sustainability. The group also agreed to submit a COST (European Cooperation in Science and Technology) Action on the same subject. By mid-2011 the proposal "Towards a sustainable and productive EU organic greenhouse horticulture" (or BioGreenhouse for short), was submitted.At the end of 2011 COST approved this proposal as COST Action FA1105 (see http://www.cost.eu/COST_Actions...

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Section: Effects On Yieldmentioning

confidence: 99%

Section: Effects On Yieldmentioning

confidence: 99%

Section: Effects On Yieldmentioning

confidence: 99%

Section: Irrigation Managementmentioning

confidence: 99%

See 2 more Smart Citations

Impact of water quality and irrigation management on organic greenhouse horticulture

Dorais¹,

Alsanius²,

Voogt³

et al. 2016

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“…Even though fish sludge can be used as a source of nutrients for plant production, its content is often unbalanced, rich in Na and highly variable, as it greatly depends on the feed used, the amount provided and fish density in tanks. Greenhouse crops, including organic tomato, are highly demanding when it comes to nutrient availability, and ratios of nutrients are important to maintain a suitable plant balance and assure adequate yields (Dorais et al 2001;Dorais and Alsanius 2015). In this experiment, even though the NO 3 :NH 4 ratios were low in the fish effluent (1:9 to 1:13), no negative effect of the fish effluent nitrogen form has been observed on growth parameters and Fv/Fm ratio, a fluorescence indicator of plant stress.…”

Section: In Vitro Inhibition Of Pathogensmentioning

confidence: 99%

Fish effluents promote root growth and suppress fungal diseases in tomato transplants

et al. 2015

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Gravel, V., Dorais, M., Dey, D. and Vandenberg, G. 2015. Fish effluents promote root growth and suppress fungal diseases in tomato transplants. Can. J. Plant Sci. 95: 427–436. Aquaculture systems generate large amounts of wastes which may constitute a beneficial amendment for horticultural crop in terms of nutrients, plant growth promoter and disease suppressiveness. This study aimed to determine (1) the nutrient value of rainbow trout farming effluents coming from two feed regimes and (2) the plant growth and disease suppressiveness effects of those fish farming effluents on tomato transplants. The effluent sludge from Skretting Orient™ (SO) had a higher content of P (38 vs. 32 mg L−1), K (23 vs. 11 mg L−1), N (19 vs. to 11 mg NO3 L−1; 186 vs. 123 mg NH4 L−1), and a higher NO3:NH4 ratio (1:9 vs. 1:13) compared with the Martin Classic (MC), while MC was richer in Mg (42 vs. 24 mg L−1) and Ca (217 vs. 169 mg L−1). For the first trial, a stimulating effect of the fish effluent was observed on plant height, leaf area and root dry biomass, while only the root biomass was increased during the second trial. Fish sludge was rich in microorganisms (97 and 142 µg fluorescein h−1 mL−1 for SO and MC, respectively) and their ability to suppress Pythium ultimum Trow and Fusarium oxysporum f.sp. lycopersici (Sacc.) Snyder & Hansen was observed. Both crude fish effluents reduced in vitro mycelial growth of P. ultimum and F. oxysporum, by 100 and 32%, respectively, while MC effluents showed a higher inhibition against F. oxysporum. When fish effluents were sterilized by filtration or autoclaving, lower in vitro inhibition of P. ultimum and F. oxysporum was observed. Mixed fish effluents reduced tomato plant root colonization by P. ultimum (by up to 5.7-fold) and F. oxysporum (by up to 2.1-fold). These results showed that fish effluent can be used as soil amendments to promote plant growth and increase soil suppressiveness, which in turn can prevent soil-borne diseases.

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Synergistic effect of microbial and nonmicrobial biostimulants on growth, yield, and nutritional quality of organic tomato

et al. 2020

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The current pot experiment was conducted at the Horticulture Farm of Sher‐e‐Bangla Agricultural University, Dhaka, Bangladesh, from October 2017 to April 2018, to evaluate the effects of the three biostimulants—Trichoderma‐based biostimulants (TB), seaweed extract (SWE), and humic substance (HS)—and their combinations on the growth, yield, nutritional quality, and antioxidant properties of tomato (Lycopersicum esculentum L.). The experiment was constructed in a completely randomized design using four replications. Thirteen treatments of TB, SWE, and HS were included (single and/or in combination) in the experiment, and the impact on growth, yield, nutritional quality, and antioxidant properties were evaluated. The results showed that T8 (50 g L−1 Trichoderma + 2 g L−1 SWE) increased the growth attributes positively as a result of the synergistic effects that led to a significant increase in yield over all other treatments. The treatment T8 also elicited an increase in total soluble solids, as well as bioactive molecules such as lycopene and ascorbic acid, thereby increasing the nutritional and functional quality of the tomato fruits. Collectively, Trichoderma and SWE improved soil fertility and promoted the growth of rhizosphere microbes, which eventually led to higher tomato yields and increases in antioxidants and minerals. Soil drenching of SWE along with Trichoderma is therefore considered to be an effective technique for sustainable tomato production of superior quality and higher yield.

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Advances and Trends in Organic Fruit and Vegetable Farming Research

Cited by 19 publications

References 441 publications

Impact of water quality and irrigation management on organic greenhouse horticulture

Impact of water quality and irrigation management on organic greenhouse horticulture

Fish effluents promote root growth and suppress fungal diseases in tomato transplants

Synergistic effect of microbial and nonmicrobial biostimulants on growth, yield, and nutritional quality of organic tomato

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