Corn chemical weeding can promptly eradicate the grass, has quick results, has good control effect, saves labor, saves time, reduces labor intensity, promotes the smooth growth of corn, and creates conditions for high yields. According to recent experimental demonstrations, the following suggestions are proposed.
1. Pre-emergence soil treatment after planting: Select 38% Atrazine Suspension 200 ml/mu, 72% Dole EC 100 ml/Mu, 60% Butachlor Emulsion 200 ml/Mu, 50% Acetochlor EC 100 -150 ml/mu, 40% acetylcholine powder 300-400 g/mu, 50% Duohe mixture 200 ml/mu watered 50-60 kg for prevention and treatment.
2. Post-emergence treatment: 25% Baocheng dry suspension agent 6-8 g/mu watered 50-60 kg for prevention and treatment.
3. Precautions: When corn is closed and weeding before sprouting on the surface, the amount of spray must be mastered while strictly controlling the amount of application. When the soil moisture is good, the amount of liquid sprayed per mu can not be less than 40 kg. The application time must be after 4pm. Do not apply before and after noon, and pay attention to the wind direction when applying pesticides. Do not let the liquid float into the sensitive crop field to avoid phytotoxicity. Treat after emergence, apply at the 3-5 leaf stage. .
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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