Search results for "COVER CROPS"

Mise en évidence du rôle de la diversité dans la dynamique des communautés d'adventices et des interactions adventices/cultures

2020

The main challenge of 21st century agriculture is to provide sufficient food for a growing to identify cropping systems which maintain crop productivity, minimize reliance on synthetic herbicides and nitrogen fertilizers, and promote weed diversity. We hypothesized that cropping system diversification, either at the annual scale through the introduction of cover crops, or at the plurennial scale through a diversification of the crop sequence and associated weed management tools, could be a viable means to reach these objectives. More specifically, we hypothesized that cropping system diversification could (i) contain weed abundance and thereby, allow a reduction of herbicide use and an incr…

MANAGING SUBTERRANEAN CLOVER, ANNUAL MEDIC AND VETCH FOR SICILIAN VINEYARD SUSTAINABILITY

2004

During 2005/2006 a vineyards, located in south-west of Sicily (37° 60’ N – 12° 30 E), were subjected to five different soil managements: “conventional” ( T ) soil management using up to eight soil plowing with a five furrow plow; natural cover cropping ( N ), vetch cover cropping ( V ) (Vicia sativa L.); subclover cover cropping ( S ) (trifolium subterraneum var. Clare); medic cover cropping ( M ) (medicago polymorpha var. Santiago). In the layer 0-25 cm, soil moisture, total N, NO3, NH4, and soil organic matter were determined. Fresh and dry biomass weight, and total nitrogen percentage were determined on nine one square meter subplots for each thesis. Soil erosion was measured, using a Ge…

Così la pratica dell'inerbimento migliora la qualità del vino

2008

Study of the impact of viticultural practices on arbuscular mycorrhizal fungi associated with vines

2021

Arbuscular mycorrhiza, a mutualistic symbiosis established between plants andarbuscular mycorrhizal fungi (AMF), providesmany ecosystem services such as improved soilstructure, increased plant growth and nutrition,and improved tolerance to biotic and abioticstresses. However, intensive agricultural practicesand the use of phytosanitary products as forexample herbicide and fungicides, have a strongimpact on communities of soil microorganisms,including arbuscular mycorrhizal fungi, as well ason biological mechanisms within the ecosystem.This thesis wotk is part of the European Biovineproject supported by the European Commissionthrough the CORE Organic Cofund.The aim of this research work was …

Cover crops effectiveness for soil erosion control in Sicilian vineyard

2009

In vineyards, which are very common in Mediterranean area, cover crops are becoming increasingly used to reduce soil erosion. Cover crops reduce runoff by increasing infiltration and increasing roughness and then reducing the ovelandflow velocity. The aim of the present study was to quantify soil and water losses under different soil managements systems on vineyards. The study site was a Sauvignon blanc winegrape vineyard located in Southwestern Sicily. Vineyards were managed both traditionally (conventional tillage) and alternative management using cover crops: 1) Vicia faba ; 2) Vicia faba and Vicia sativa; 3) Trifolium subterraneum, Lolium perenne, Festuca rubra; 4)Trifolium subterraneum…