在水稻生产中发现,移栽半个月,有很多水稻叶片短小,发暗绿色,还有赤褐斑点,根系发育不良,不分蘖。有的虽然施了较多的氮素化肥,仍然长不好,形成僵苗不发,表现了严重缺磷的现象。为解决这一问题, Found in rice production, transplanting two weeks, many rice leaves are short, dark green, and brown spots, root system dysplasia, without tillers. Although some of them applied more nitrogenous fertilizer, they still grew well, resulting in the formation of stiff and feeble seedlings and the phenomenon of serious phosphorus deficiency. To solve this problem,