Fertilizing flowers should be tailored according to flower color

When cultivating potted flowers artificially, attention must be paid to fertilizing the flowers, but fertilization should also depend on the specific symptoms of the flowers. When flowers lack different nutrients, they will show different symptoms. Therefore, before fertilizing flowers, attention must be paid to the symptoms of the flowers so as to fertilize scientifically.

Tulip

When nitrogen is deficient, plant growth is weak, leaf color is light green, and basal leaves turn yellow or light brown; when phosphorus is deficient, leaves are blue-green with a slight purple tinge; when potassium is deficient, old leaves are light green, leaf tips are narrow and small, but the veins remain green, and generally no withering occurs. Nitrogen, phosphorus, and potassium fertilizers should be supplemented according to the specific situation.

If iron is deficient for a long time, leaf tips and leaf margins will also gradually wither and spread inward, but the large leaves still remain green. At this time, a 0.05% to 0.1% ferrous sulfate solution should be sprayed onto the leaf surface.

When magnesium is deficient, old leaves yellow from the leaf margin inward, the veins still appear green, and yellow streaks and shrinkage appear on the leaves. In the later stage, the leaves often wither and become small, causing the flowers to be smaller and paler and plant growth to be inhibited. At this time, a 0.2% to 0.4% magnesium sulfate solution should be sprayed 2 to 3 times.

When calcium is deficient, the terminal buds are prone to damage, the leaf tips and leaf margins die, the leaf tips often bend into a hook shape, and the root system necroses. In severe cases, the whole plant dies. At this time, 0.2% to 0.4% lime water should be applied, 20 to 30 milliliters per plant each time, for 2 to 3 consecutive applications.