观叶识根诊断水稻穗期烂根——开沟烤田，巧施磷肥经验谈１晚间叶面露水，白昼叶尖卷蔫识别法夜幕降临，稻叶边缘凝聚着颗颗露珠。由于昼间光合作用产生的同化效应，根从土壤中吸取的水分，随着日照的减弱，逐渐在植株体内聚集，形成多余水分，一部分便从叶面边缘渗出来。... View leaf root diagnosis of the first part of the rotten roots of rice - open-pit baking fields, Qiao application experience of phosphorus 1 night leaf dew, day leaf tip curl recognition nightfall, rice leaf edge condensed dew drops. Due to the assimilation effect of photosynthesis during the day, the water absorbed by the root from the soil gradually accumulated in the plant body as the sunshine weakened, forming excess water and partly exuding from the edge of the foliage. ...