AS I WRITE THIS, we’re facing serious fertilizer shortages, according to many and various news outlets. Because of the war in Ukraine, a large portion of the world’s exported fertilizer seems to be stuck in Russia and Belarus. Even before the invasion, China had announced restrictions on exports of phosphate- and urea-based fertilizers. And all this is on top of compromised supply chains resulting from years of pandemic.
Every time I read another article about how gardeners and farmers will be made miserable by these fertilizer shortages, I’m reminded of a challenge I faced two years ago in
