Flowers need a large amount of some elements, such as nitrogen, phosphorus, potassium and other macroelements; relatively small amount of other elements, such as magnesium, zinc, manganese, iron, copper, sulfur, boron, molybdenum and other trace elements. The trace elements needed for flowers have different functions. If a certain trace element is lacking, it will cause disorder of the physiology of flowers, cause various symptoms of flowers, affect leaf color and flower posture, and even make the plants weak and even die. The following describes the symptoms and corrective methods for the lack of trace elements in flowers for reference.
First, iron deficiency. The new leaves will turn yellow, but the veins are still green and will not generally blight soon. But for a long time, the leaf margins will wither. Corrective method: timely spray 0.3-0.5% ferrous sulfate solution on the leaves, spray once every 10-15 days, and spray 2-3 times.
Second, zinc deficiency. Generally, the plants are dwarf, the new leaves are green, the veins are green, the leaves are yellow, and the leaves are small. Corrective method: Use 0.05-0.1% zinc sulfate solution for foliar spraying. Each plant with a mixture of 1 g of zinc sulfate and appropriate amount of rotting fertilizer has good effects.
Third, magnesium deficiency. From the two sides of the old leaves, the inward yellowing starts first. With the increase of the degree of magnesium deficiency, the leaves are yellow stripe, the leaves are shrunken, the root groups are few, the leaves are small, the flowers are small, the flowers are light, and the plant growth is affected. Inhibition, remediation method: The leaves are sprayed with 0.2-0.4% magnesium sulfate solution 2-3 times, or 2-3 g calcium magnesium phosphate fertilizer per plant.
Fourth, lack of manganese disease. The leaves are chlorogenic, with variegated spots; however, the veins are still green and the flowers are of poor color. Corrective method: Use 0.1-0.2% manganese sulfate solution for foliar spray. To prevent phytotoxicity, add 0.5% quicklime mixture spray.
V. Sulfur deficiency. Sulfur deficiency in flowers is usually mostly yellow-green in the young leaves (not the old leaves, which are usually yellowed as in the absence of nitrogen). The plants are dwarf, the stems are weak, the growth is slow, and the development of the plants is inhibited. Corrective method: 2-3 grams of potassium sulfate per plant.
Sixth, calcium deficiency symptoms. The terminal buds are easy to be injured, and the tips of leaves and leaves are dead. The tips of the leaves are often bent into hooks. The root system will also be necrotic. In severe cases, the whole plant will die. Corrective method: Use 0.2-0.4% of lime aqueous solution for irrigation, 2-3 times with 20-30 ml per plant.
Practice has shown that trace element deficiency is generally the result of long-term non-replacement, or long-term single application of nitrogen fertilizer. If fertile potted soil is used and soil is replaced regularly, pay attention to applying organic fertilizer. Generally, flowers will not lack trace elements.
Rice soup is also called
rice oil. It is a layer of porridge oil that is condensed on the pot
when it is served with fine rice porridge or dried rice. Rice soup is sweet and sweet, it can nourish yin and have a good nourishing effect.
The
best rice soup should be made with the unsalted rice and the aleurone
layer. The nutrition and health care function will be the strongest.
With the current refined rice, the effect will not be obvious,
especially after the panning. It`s even less nutritious.
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