Spanish Vineyard Study Shows Soil Health Doubles After 20 Years Without Tilling
A long-term study conducted at a Spanish vineyard has found notable improvements in soil health over two decades of minimal intervention. Maintaining continuous vegetation cover, without irrigation or pesticides, doubled the organic matter content in topsoil compared to conventionally tilled plots. The practice also improved soil porosity and boosted biological activity, even under dry conditions. Researchers concluded that reducing soil disturbance offers measurable benefits for vineyards operating in water-scarce environments. The findings point to vegetation cover as a practical strategy for strengthening soil function in climate-stressed agricultural settings.
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