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Balancing the Global Distribution of Phosphorus With a View Toward Sustainability and Equity

Limitations in the geological reserves of phosphate rock, the source of fertilizer phosphorus, are not currently considered in agricultural practices or global trade, a very short‐sighted approach considering that there is no “alternative fuel” for plant growth. Thus, it is important to understand the science of phosphorus‐crop growth dynamics as a function of grain type, plant uptake, climate, and past fertilizer phosphorus application history. Recent work on modeling these factors on the global scale (Kvakić et al., 2018, https://doi.org/10.1002/2017GB005754) provides the first scientific backdrop for developing an understanding of fertilizer phosphorus balances and for informing forward‐looking practices and policies that regulate toward long‐term sustainability rather than short‐term profit.