Performance: when watering too much, the tender leaf or tip of the flower will turn yellow first, the whole tender leaf will be dull, and the new shoots will shrink.
Solution: put the flowers in a sunny and well ventilated place, let the extra water in the basin evaporate as soon as possible.
Performance: watering too little will lead to the old leaves first yellow, yellow position from the bottom up, yellow leaves from the edge of the leaves began to dry.
Solution: water in time, avoid direct sunlight, avoid high temperature, until recovery
Performance: if the plant does not see light for a long time, then the whole plant leaves will be yellow and weak and then fall off.
Solution: put plants in sunny places until they are restored.
Performance: if too strong sunlight shines on the plant, it may burn the plant, the leaf edge and tip of the plant leaves will be yellow and dry, and the part directly irradiated by sunlight will appear yellow spots.
Solution: cut off the severely burned leaves, then move the plant to a cool place until it recovers.
Performance: if the plant lacks nitrogen fertilizer, the whole plant will appear light green, the old leaves will first turn yellow, followed by the new leaves will turn yellow, and the yellow part will be from bottom to top
Solution: Supplement nitrogen fertilizer. Inorganic fertilizer has urea, ammonium nitrate and so on; organic fertilizer has urine manure fermentation fertilizer, bean dregs mature fertilizer.
Performance: if the lack of phosphate fertilizer, the old leaves of the plant will first turn yellow, then the new leaves will turn yellow, the whole plant will show dark green or purple red, lack of luster.
Solution: Supplement phosphate fertilizer. Inorganic fertilizer has ammonium phosphate, white phosphorus fertilizer, etc.; organic fertilizer has animal ashes, bone char, etc.
Performance: if the plant lacks potassium fertilizer, the old leaves of the plant will turn yellow, the edge and tip of the leaves will turn yellow, dry and coking from the bottom up, and the surface of the leaves will become uneven.
Solution: apply plant ash or chemical fertilizer potassium chloride to the bottom of flowerpot.
Performance: calcium deficiency plants usually show curly young leaves, yellow
Solution: smash the egg skin and soak it in water, retting for about 1 week, water the flowers with water
Performance: plant iron deficiency, the impact on the young leaves of the plant is more serious, the impact on the old leaves is relatively light, often manifested as the Yellow mesophyll of the young leaves of the plant, and the formation of a network.
Solution: ferrous sulfate can be used to water flowers.
Performance: when the soil is slightly alkaline, the plant often appears as the middle of the old leaves and veins first turning green and yellow.
Solution: use ferrous sulfate solution, fermented rice washing water to water flowers, or change the soil rich in organic matter.