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Abstract
Modern Concepts & Developments in Agronomy
Long-term field experiments as the basis for practice-oriented humus research - a review
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Open or CloseMartin Körschens*
Förderverband Humus e. V, Lauchagrund 1, 06246 Goethestadt Bad Lauchstädt, Germany
*Corresponding author:Martin Körschens, Förderverband Humus e. V, Lauchagrund 1, 06246 Goethestadt Bad Lauchstädt, Germany
Submission: September 02, 2021;Published: September 16, 2021
ISSN: 2637-7659 Volume9 Issue3
Abstract
Organic carbon, Corg, (Soil Organic Matter = Humus = Corg x 1.72) is the prerequisite for soil formation and for maintaining its fertility. All considerations on humus require a differentiation into at least 2 fractions. Humus has always been divided into the fraction’s permanent humus (also inert in the sense of not participating in the mineralization processes) and nutrient humus. The results of an evaluation of 79 long-term field experiments worldwide are shown. The initiative of the French government to increase the carbon content of the world’s soils by 4 ‰ annually is completely unrealistic.
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