About 50% of soil-available phosphorus comes from mineral fertilizers in agricultural systems worldwide

Plants need phosphorus to grow. Farmers' use of mineral phosphorus fertilizers has greatly increased soil phosphorus fertility and, consequently, crop yields. However, these fertilizers are made from rock phosphate, a non-renewable resource that is patchily distributed across the Earth.

from Phys.org - latest science and technology news stories https://ift.tt/TulFAsB

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