en.Wedoany.com Reported - A study by the Paraná Agricultural Research Network in Brazil has shown that adopting terracing in grain production can reduce soil loss by 99% and water loss by 80%. The research was conducted in the Cambé region of northern Paraná, spanning from 2018 to 2024, covering areas planted with soybeans and corn.

The research team used mega-plots and collection tanks to monitor rainfall events. Results showed that during a heavy rainfall event in November 2024 (96 mm of rain over five days, with 53.7 mm falling within 40 minutes), areas with terracing lost approximately 18 kilograms of soil per hectare, while areas without terracing lost 10 tons per hectare. Ágide Eduardo Meneguette, President of the FAEP System, emphasized: "Farmers need these studies to recognize the necessity of good practices and to optimize production."

Paraná state law mandates the use of terracing in all agricultural areas, with potential penalties for non-compliance. Researcher Graziela Moraes de Cesare Barbosa pointed out: "Without terracing, in addition to breaking the law, you may lose soil, water, and nutrients, impacting production costs." Another study showed that in Londrina, nutrient loss due to erosion on plots without terracing amounted to $282 per hectare, compared to just $32 per hectare on terraced plots.

To promote good practices, the FAEP System offers a free training course titled "Soil Management and Conservation – Field Practices," which farmers can register for through its website. The study emphasizes that terracing needs to be combined with conservation measures such as no-till farming and crop rotation.

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