红富士苹果要注意施钾肥

• 出 处: 山西果树
• 发表日期: 1997年02期
• 关键词: 红富士苹果 抽条 钾肥 成花 施钾 氮肥 实践证明 果实着色 为宜 徒长

红富士苹果要注意施钾肥红富士苹果树对氮肥敏感，稍一过量则会引起徒长，来年春季易抽条，影响成花、结果、着色，且易感病。实践证明，红富士苹果树的施钾肥量应高于氮，其氮、磷、钾的比例应以１∶０．６∶１．５为宜。注重施钾肥可使幼树抽条率明显降底；成花和坐果率...

Red Fuji apples should pay attention to the application of potassium fertilizer Red Fuji apple trees sensitive to nitrogen, a little excess will cause leggy, easy to pull the next spring, affecting the flowering, the results, coloring, and susceptible to disease. Practice has proved that the application of red Fuji apple tree fertilizer should be higher than nitrogen, nitrogen, phosphorus and potassium ratio should be 1: 0.6: 1.5 is appropriate. Pay attention to the application of potassium fertilizer can significantly reduce the sapling rate; flower and fruit set rate ...