Winter pesticides four attention

Low winter temperatures, control of crop diseases and insect pests should be selected for appropriate drug use counterparts, and timely impact on the factors affecting drug efficacy, drug delivery in place.

1. Select the medication during the sunny high temperature period. During periods with high temperatures in winter, the intake and respiratory intensity of pests are greater than those of cold days, and the amount of the drug absorbed by the pests is relatively greater, which is conducive to the exertion of efficacy.

2. Increase the dosage appropriately. The use of pesticides in conventional doses in winter is less effective, and increasing the amount of pesticides can improve control effectiveness. The specific dosage depends on the temperature, and generally does not exceed 50% of the conventional dosage.

3. Use pesticides suitable for winter use. In general, stomach poisons and contact poisons are less affected by temperature, and inhalants and fumigants are greatly affected by temperature. Application of herbicides in winter has a longer effective time than that of high temperature seasons, and it is necessary to wait patiently after using drugs. As long as the liquid spray is in place, re-spraying is not generally required.

4. Use of pesticides is preferred. Soil pesticides are cheap but they are prone to injury. The winter fruit dormancy of fruit trees is very resistant to pesticides. It is economical and effective to control pests with Bordeaux mixture, lime sulfur and other agents.

In addition, the degradation rate of the winter medicaments is slow, and the medicaments remain in the crops for a long period of time. In the winter, when crop pests and diseases are controlled, the safety interval of the medicaments should be extended.

Rheumatoid arthritis (RA) is a chronic, etiology of inflammatory synovitis-based systemic disease. It is characterized by hand, small joints of the joints, symmetry, invasive joint inflammation, often associated with external organ involvement and serum rheumatoid factor positive, can lead to joint deformity and loss of function. According to statistics, the incidence of rheumatoid arthritis in women is 2 to 3 times that of men.It can occur at any age, high incidence of age 40 to 60 years old. People who has rheumatoid arthritis in the late, severe or long-term bedridden patients, due to combined infection, gastrointestinal bleeding, heart, lung or kidney disease can be crisis to life. The main purpose of treatment for Rheumatoid arthritis is to reduce the inflammation of the joints, inhibit the development of lesions and irreversible bone destruction, as far as possible to protect the function of joints and muscles, and ultimately achieve complete disease remission or low disease activity target. Treatment principles include 1. Patient education, 2. General treatment 3. Drug treatment 4. Immune purification 5. Functional exercise 6. Surgical treatment. Anti-Rheumatoid Arthritis drug treatment mainly includes non-steroidal anti-inflammatory drugs, slow-acting anti-rheumatic drugs, immunosuppressive agents, immune and biological agents and botanicals. Over the past decade, the treatment of extra-articular lesions and the emergence of new therapies, so that the efficacy of rheumatoid arthritis has been significantly improved. Most patients with rheumatoid arthritis can get a good control or even complete remission.

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