KAWHMU (Myanmar), May 30 — Under monsoon skies leaden with rain, Myanmar rice farmers despondently tend their paddy fields, doubtful the deluge will bring bountiful harvests during a fuel and fertiliser crisis caused by the Iran war.“If prices continue to rise, I will be a beggar,” says veteran farmer Soe Naing, perched on a sack of rice seed overlooking his 30 acres (12 hectares) of rented land outside the delta town of Kawhmu.“I may give up wo…