Yellow leaves appear in flowers, depending on its occurrence, there are the following situations: First, yellow water. Due to watering, it is characterized by no significant changes in the old leaves, young leaves yellow; this should immediately control the water; Second, dry yellow. Due to lack of water and drought, it is characterized by the first yellow leaves from bottom to top, if the water shortage is a little longer, the whole plant will yellow leaves, or even death, should be timely watering; Third, yellow fat. Caused by excessive fertilization or high concentrations; characterized by young leaves thick, shiny, and uneven; should control fertilizer, cultivator, watering; Fourth, hungry yellow. Due to lack of fertilizer, low fertilization concentration, and long interval between fertilization; it is characterized by young leaves and tender stems at the first yellow, if not timely fertilization after seeing this phenomenon, it will also cause the whole plant yellow leaves and even death; Fat-loss flowers, should not be a large number of concentrated fertilizer, so as not to cause root burning; Fifth, iron deficiency yellow leaves. In the greenhouse, woody flowers, etc., due to large changes in soil fertility conditions, often appear yellow leaf phenomenon, characterized by obvious young leaves, lighter leaves, yellow leaves, green veins, and the formation of a typical network; can be used to solve the solution of ferrous sulfate The method is as follows: 7 parts of cake fat, 5 parts of ferrous sulfate, and 200 parts of water mixed into liquid.
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