The benefits of root watering
Water saving and loss reduction
Root watering limits evaporation and runoff. A recent study shows that this method makes it possible halve water needs compared to surface irrigation. Systems like Oyas (terracotta) illustrate this efficiency: they release water gradually, allowing the roots to draw as needed.
Prevention of fungal diseases
Wet leaves favor the development of pathogenic fungi. By avoiding watering them, we reduce the risk of mold or from botrytisparticularly feared for tomatoes and courgettes.
Alternative techniques to optimize irrigation
Oyas: an ancestral system reinvented
These terracotta containers, buried near the plants, store water and release it slowly. Their main advantage? No evaporation lossesunlike drippers or sprinklers.
Tanks: a solution suitable for demanding crops
Digging at circular swimming pool around each plant we concentrate the water at the base. This method, ideal for tomatoes or peppers, favors deep rooting and improved drought resistance.
Mistakes to avoid when watering
Surface irrigation: a waste of water
Surface irrigated soil dries quickly, requiring frequent interventions. On the contrary, a deep irrigation (from 20 to 30 cm deep) stimulates the roots to seek water in depth, strengthening their resilience.
Watering against the light: a risk for plants
Water on leaves exposed to the sun can cause it burns OR illnesses. Prefer watering early in the morning or at the end of the day to limit these effects.
The plants most suitable for this method
Tomatoes: champions of deep rooting
Cultivated in basins, they develop a dense root systemcapable of drawing water from the depths. Result: regular production even in the event of drought.
Courgettes and peppers: water drinkers
These vegetables, often watered on the surface, benefit from a targeted contribution to prevent root rot. Their growth remains sustained without water overload.
The environmental impact of this practice
A significant reduction in water consumption
By adopting root irrigation, gardeners save money several tens of liters per square meter every week. A crucial gain in a context of growing shortages.
Support for local biodiversity
Promoting a deep rootingthis method strengthens the interactions between plants and soil microorganisms. A healthy ecosystem, less dependent on chemical inputs.
Root watering, far from being a fad, is becoming a big thing durable solution address climate challenges. By combining ancestral techniques (oyas) and modern methods (basins), gardeners optimize water consumption while preserving the health of their plants. A practice to be adopted, even in periods of great heat, to reconcile productivity and respect for the environment.
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