韭菜叶片尖端干枯变黄，在栽培过程中经常出现，菜农称之为“干尖病”。实际上，韭菜干尖并不只是１种病害。引发韭菜干尖的原因很多，要针对不同情况加以防治。１干尖原因１）土壤酸化。韭菜生长发育要求pH７左右的中性土壤。如果长期大量向土壤中施入粪稀、饼肥或硫酸铵等酸 Leek leaf tip dry yellow, often in the cultivation process, vegetable farmers call it “dry tip disease.” In fact, leek tip is not just a disease. Many reasons trigger leek stems, to be controlled for different situations. 1 tip causes 1) soil acidification. Leek growth and development requirements of about neutral soil pH7. If long-term large amount of manure applied to the soil, cake or ammonium sulfate and other acids