切花月季缺磷、钾、硫元素叶片症状观察

Symptoms on Leaves of Cut Rose Lacking in Phosphorus,Potassium and Sulfur

以切花月季品种大丰收为试验品种,在分别缺乏氮、磷、钾元素的情况下,观察叶片表现出来的典型症状。

Using cut rose ＂ Ojivia＂ as experiment material, Put it separately in the Phosphorus ,Potassium and Sulfur, then observe the typical symptoms on the Leaves.