Symptoms, prevention and treatment of garlic deficiency

Garlic is a kind of fertilizer-loving and fertilizer-tolerant vegetable crop. Because of its poor root absorption capacity, it is necessary to pay attention to the application of topdressing under the premise of applying sufficient base fertilizer to meet the nutrient requirements of garlic growth in time. According to the above fertilization conditions, there will generally be no deficiency symptoms, but due to differences in soil conditions, the following deficiency symptoms will occur, which should be controlled separately to meet the needs of garlic growth. Calcium deficiency: garlic calcium deficiency, necrotic spots appear on the leaves, with the necrotic spots expand, leaves curved, leaf tip quickly died. When this symptom occurs, calcium nitrate or calcium chloride can be sprayed. Magnesium deficiency: garlic magnesium deficiency, leaves chlorosis, first appeared in the old leaves at the base, gradually to the tip of the leaf development, leaves eventually yellow death. When this symptom occurs, magnesium sulfate can be sprayed. Boron deficiency: garlic boron deficiency, the new leaves produce yellowing, serious leaf death, plant growth stagnation, dissection leaf sheath can be seen brown small cracks. When this symptom occurs, boron fertilizer can be sprayed.