MIRPURKHAS: Pakistani wheat farmers are cutting back on a key fertilizer after its price surged 23 percent following the outbreak of war in the Middle East, threatening harvests in a country already struggling to produce enough wheat to meet domestic demand. The price of diammonium phosphate (DAP), a fertilizer that helps wheat plants develop strong roots and grow, has risen sharply as the conflict disrupts shipments from the Gulf and drives up production costs. A 50-kilogram bag now costs Rs17,



