Influence of irrigation regime on productive and qualitative traits of kale (<i>Brassica oleracea</i> var. <i>acephala</i> DC) under organic farming system

Bella, M.C. Di; Melilli, M.G.; Treccarichi, S.; Tribulato, A.; Arena, D.; Ruffino, A.; Argento, S.; Branca, F.

doi:10.17660/actahortic.2022.1354.39

Cited by 5 publications

(1 citation statement)

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“…The key challenge is to increase the production of foods and feeds with minimal environmental impacts in terms of nutrient leaching, biodiversity loss, greenhouse gas emissions, and resource exhaustion [2]. This frame-low input in farming practices represents a primary goal of enhancing the sustainability of cropping schemes in order to cope with climate change and achieve high yields in more environmentally friendly conditions [3][4][5][6]. To meet what was mentioned-besides a number of approaches which can be adopted, such as low nitrogen supply [7], cropping in soilless conditions [8,9], and overall breeding for resistance [10][11][12][13][14]-deficit irrigation, where possible, represents a sustainable way to save water [15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Use of Bioinoculants Affects Variation in Snap Bean Yield Grown under Deficit Irrigation

et al. 2023

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The use of beneficial microorganisms, such as plant growth promoting rhizobacteria (PGPR) and mycorrhizal fungi, for organic farming could improve the productivity and the resilience of vegetable crops. Both PGPR and PGPF are allowed for organic farming, and they represent new important tools for regenerating poor and marginal soils in transition to environmentally friendly farming. In the experiment, the effects of PGPM-based products were evaluated on snap bean in combination with two irrigation regimes. The experimental design adopted was split-plot, with the main plot represented by the irrigation regime (reintegration of 100 and 60% of the ETc), the sub-plot by the microbial consortia, and finally the sub-sub-plot by genotype (‘Domino’ and ‘Maxi’). Seeds were sown in a cold greenhouse and the growing cycle finished after 86 days from sowing. The results showed a significant increase of the yield due to the application of PGPM compared to the control. The deficit irrigation applied (ETc 60%) affected plants growth in the two genotypes and their related production differently (in average 2.20 kg m−2 for Domino and 3.63 kg m−2 for Maxi), showing a positive effect of PGPM on yield (in average 2.47 kg m−2 without PGPM and 3.36 kg m−2 with PGPM) and product quality. Furthermore, an interesting negative correlation between the number of nodules and the yield was also observed, as a consequence of their early outcome which increased plant productivity in relation to the experimental factors.

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