水稻缺铁是一种偶发于水稻秧田的生理性病害,2003年旌德县单季稻个别秧田发生较重。由于该病害的发生症状与缺锌有许多相似之处,有时容易把缺铁误当成缺锌。为了很好地区别这两种病害,我们将两种病害的症状进行比较,找出了两种症状的不同之处。1症状识别水稻缺铁和缺锌都表现为 Iron deficiency in rice is a kind of physiological disease that happens in rice seedling fields occasionally. In 2003, the single-season rice in Jingde County was heavier in some seedlings. As the disease symptoms and zinc deficiency have many similarities, sometimes mistaken for iron deficiency as zinc deficiency. In order to differentiate these two diseases well, we compared the symptoms of the two diseases and identified the differences between the two symptoms. 1 Symptom identification Rice iron deficiency and zinc deficiency are manifested as