Traditional Culture Encyclopedia - The 24 Solar Terms - What pesticide should Pieris rapae spray?
What pesticide should Pieris rapae spray?
In order to prevent pesticide residues from exceeding the standard, we must pay attention to:
First, don't eat cabbage within 7 days after spraying;
Second, the concentration of adjustment cannot be increased at will;
Third, the dosage should be sufficient and the spraying should be uniform and thorough;
Fourth, pay attention to the inspection 7- 10 days after spraying, and use the medicine again as appropriate.
Everyone thinks that Chinese cabbage is a common vegetable, and it is unnecessary to learn the management methods of Chinese cabbage. Let's know the nutritional value of cabbage:
Nutritional value of Chinese cabbage;
Chinese cabbage contains a variety of nutrients, which is an important source of vitamins, inorganic salts and edible cellulose necessary for human physiological activities. Chinese cabbage is rich in calcium, which is 5 times higher than tomato and 1.9 times higher than cucumber. Ascorbic acid (vitamin C) is 4 times higher than cucumber and 1.4 times higher than tomato. Carotene is 1.8 times higher than cucumber. Chinese cabbage is a healthy food to prevent cancer, diabetes and obesity. An American scientific research institution specializing in cancer found that "eating more cabbage can prevent cancer". According to China's ancient Compendium of Materia Medica, Chinese cabbage also has good medicinal value: mild in nature, sweet in taste, capable of clearing away heat and vexation, dredging the stomach, tonifying the middle energizer, promoting digestion, promoting diuresis, relaxing bowels, clearing lung-heat, relieving cough and quenching thirst.
Medicinal value of Chinese cabbage;
Chinese cabbage is not only used as a vegetable for people to eat, but also has medicinal value. Chinese medicine believes that Chinese cabbage is sweet and flat, and it has the effects of clearing away heat, relieving annoyance, quenching thirst and diuresis, and dredging the stomach. Eating Chinese cabbage regularly can prevent vitamin C deficiency (scurvy). Wash Chinese cabbage, chop it up and fry it in thick soup. Wash the frostbite area before going to bed every night for several days. White rapeseed can relieve alcoholism. For people who are drunk and not awake, it can be used to grind and adjust the "Jinghua water" (that is, the well water just pumped from the well), and the effect is good. For people with qi deficiency and stomach cold, it is not advisable to eat more cabbage to avoid nausea and vomiting. Eating too much can be solved with ginger. Chinese cabbage can reduce the incidence of female breast cancer.
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