Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

A Preliminary Assessment of Growth Regulators in Agricultural: Innovation for Sustainable Vegetable Nutrition

Version 1 : Received: 13 July 2020 / Approved: 15 July 2020 / Online: 15 July 2020 (05:57:57 CEST)

A peer-reviewed article of this Preprint also exists.

Journal reference: Agronomy 2020, 10, 1433
DOI: 10.3390/agronomy10091433


Agricultural Production today has to deal with different challenges. It has to increment production for a continuously increasing population, reducing the environmental burdens on the natural systems. In conventional agriculture, this is possible through the increase of inputs, especially nutrients, which, however, are responsible for the biggest part of emissions. It becomes more complicated though, adopting sustainable agricultural practices, to improve the quality and the quantity of agricultural production reducing the inputs use. Plant growth regulators are described in the literature for the significant role in securing crop management of modern agriculture. Therefore, this joint field experiment has been carried out on a pear orchard (Pyrus communis L. cv. Abate Fètel) in Emilia Romagna (Italy) by Fondazione Navarra and TIMAC AGRO Italia S.p.A., to test the “less for more” theory which consists in getting more and better agricultural produce using fewer inputs. Preliminary results of two consecutive years have confirmed our assumption as it was possible to substantially reduce the total fertilisation units applied, improving significantly quantitative and qualitative production indicators (i.e. flower and fruit density, fruit set (%), the average weight of fruits (g) and the total yield (t/ha)). Results have also shown a positive correlation between plant growth regulators and agronomic efficiency of pears.


pear trees; TIMAC AGRO Italia; growth regulator; sustainable development; plant nutrition



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