麦苗生长不良的营养诊断１．红苗干旱天气、土壤水分不足麦苗生长缓慢，植株生长瘦弱，叶色变为淡黄红色，是干旱引起的红苗。要及时结合追肥进行浇水抗旱。冬前雨水过多时，造成渍涝，渍水伤根僵苗，叶色变为暗红色，甚至烂根死苗，是渍害引起的红苗，要深开沟，降低地下... Malnutrition malnutrition nutrition diagnosis 1. Red Miao dry weather, lack of soil moisture Barley growth is slow, thin plant growth, leaf color into yellowish red, is caused by drought red seedlings. To timely watering drought with top dressing. Pre-winter rain too much, resulting in waterlogging, waterlogging rooted seedlings, leaf color into dark red, or even rotten roots dead shoots, is caused by the red seedlings stains, deep ditch to reduce the underground ...