AgroNum & the additionality conundrum
ADDITIONALITY, along with leakage & permanence, have become conundrums for carbon-farming advocates. The latest round coming from Don et al. 2023 (https://lnkd.in/esQ6GHxX) and De Rosa et al. 2023 (https://lnkd.in/eUKUmBkd). The former, at the risk of making things even more byzantine, introduce still more new terms such as SOC accrual, negative emissions, etc. De Rosa et al. 2023 infer leakage since the “accrual” (sic) of SOC stocks in European croplands are said to come from their conversion to … grasslands. ADDITIONALITY (https://lnkd.in/e9rWmb-3), LEAKAGE (https://lnkd.in/eRWwzQv8) & PERMENANCE (https://lnkd.in/eAjSS72d) have been dealt with previously in various Polyor SAS posts.
Simply put, Polyor SAS’s AgroNum approach to sustainable agriculture & soil conservation (https://lnkd.in/exiTpR5a) distinguishes cropping-practice modifications simply “catching-up” by attaining sustainable RDN nitrogen-yields (kg-N_grain/ha) recommended by AgroNum™’s N-fertilizer response curves, from CP modifications that allow for sustainable technical progress beyond these curves. Refundable N-credits can then be emitted solely based on this additional N-yield increase “adding-up” to a more intensive form of sustainable agriculture, while ensuring additionality.
Polyor SAS is presently working on establishing a new certification standard for AgroNum™. Participating farmers will eventually receive negotiable credit(s) for thus intensifying their sustainable cropping practices at no extra cost.
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