In the middle of Kamba market in Nigeria's north-western Kebbi State, hub agro-dealer Umar Sani points to a stack of fertilizer bags in Alhaji Musa’s retail shop, a sign to customers that the commodity is now available. Sani, a leading fertilizer distributor in Kamba, is, now more than ever, a dependable source of fertilizer following Covid-19 disruptions in global agricultural value chains and, more recently, the war in Ukraine.