The growing demand for wine in Europe has increased the impact of viticulture on the environment. In line with European objectives, more sustainable agronomic practices have spread as an alternative to traditional management. This study aimed to compare, in a vineyard of Pinot blanc and Rhine Riesling in northeast Italy, the integrated agronomic practices (INT) with two types of organic management (ORG1—cattle manure and ORG2—green manure), in terms of production, grape quality, pest susceptibility, and soil nutrient availability. The results, after the fifth, sixth, and seventh year of testing, showed that organic management obtained a yield and vegetative features comparable to INT. Grape quality also did not show considerable overall differences between the theses in the must properties, despite the higher total sugar content and lower yeast available in ORG1. In the three-year period, the management of downy mildew, powdery mildew, and rot, as well as the soil fertilization, with the products available in organic farming proved to be comparable to the INT method. The application of cattle manure contributed by enriching the soil in K and P, while a balanced green manure mix has proven to be the best agronomic practice in terms of the release of mineral N during the phenological stages of greatest need of the vine. Organic management appears as an agronomic strategy able quantitatively and qualitatively support the vineyard system

Morelli, R.; Roman, T.; Bertoldi, D.; Zanzotti, R. (2022). Can comparable vine and grape quality be achieved between organic and integrated management in a warm-temperate area?. AGRONOMY, 12 (8): 1789. doi: 10.3390/agronomy12081789 handle: http://hdl.handle.net/10449/76136

Can comparable vine and grape quality be achieved between organic and integrated management in a warm-temperate area?

Morelli, Raffaella
Primo
;
Roman, Tomas;Bertoldi, Daniela;Zanzotti, Roberto
Ultimo
2022-01-01

Abstract

The growing demand for wine in Europe has increased the impact of viticulture on the environment. In line with European objectives, more sustainable agronomic practices have spread as an alternative to traditional management. This study aimed to compare, in a vineyard of Pinot blanc and Rhine Riesling in northeast Italy, the integrated agronomic practices (INT) with two types of organic management (ORG1—cattle manure and ORG2—green manure), in terms of production, grape quality, pest susceptibility, and soil nutrient availability. The results, after the fifth, sixth, and seventh year of testing, showed that organic management obtained a yield and vegetative features comparable to INT. Grape quality also did not show considerable overall differences between the theses in the must properties, despite the higher total sugar content and lower yeast available in ORG1. In the three-year period, the management of downy mildew, powdery mildew, and rot, as well as the soil fertilization, with the products available in organic farming proved to be comparable to the INT method. The application of cattle manure contributed by enriching the soil in K and P, while a balanced green manure mix has proven to be the best agronomic practice in terms of the release of mineral N during the phenological stages of greatest need of the vine. Organic management appears as an agronomic strategy able quantitatively and qualitatively support the vineyard system
Viticulture
Organic management
Green manure
Cattle manure
Nutrients
Mineral nitrogen dynamic
Yield
Must quality
Grapevine diseases
Settore AGR/03 - ARBORICOLTURA GENERALE E COLTIVAZIONI ARBOREE
2022
Morelli, R.; Roman, T.; Bertoldi, D.; Zanzotti, R. (2022). Can comparable vine and grape quality be achieved between organic and integrated management in a warm-temperate area?. AGRONOMY, 12 (8): 1789. doi: 10.3390/agronomy12081789 handle: http://hdl.handle.net/10449/76136
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