Regenerative Agriculture is a [flexible and adaptable] system of farming principles and practices that increases biodiversity, enriches soils, improves watersheds, and enhances ecosystem services. It aims to capture carbon in soil and above ground biomass, reversing current global trends of atmospheric accumulation. At the same time, it offers increased yields, resilience to climate instability, and higher health and vitality for farming and ranching communities. The system draws from decades of scientific and applied research by the global communities of organic farming, agroecology, Holistic Management, and agroforestry."
Source - www.regenerativeagriculturedefinition.com
A simple guiding principle is that over time the levels of soil carbon/organic matter must increase.