DIPLOMAT_2020-04-02_0037

Phosphorus is vital to commercial fertilizer, being used on a field here, in Chiang Mai, Thailand. (Photo: © Akekalak Phatchaitong – Dreamstime.com)

Phosphorus is vital to commercial fertilizer, being used on a field here, in Chiang Mai, Thailand. (Photo: © Akekalak Phatchaitong – Dreamstime.com)

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DIPLOMAT_2020-04-02_0037

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