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Pest control of traditional Chinese medicine honeysuckle
Pest control of traditional Chinese medicine honeysuckle
2018-06-29 -
Symptoms and prevention of vitamin d deficiency in chickens
Vitamin D3 affects chicken growth. Vitamin D3 can regulate the metabolism of calcium and phosphorus in the body, promote the absorption of calcium and phosphorus by the intestinal tract, and have a direct effect on the calcium precipitation and osteogenesis of bone tissue. When chicks lack vitamin D3, symptoms will appear 10-11 days after hatching, usually about 1 month. The occurrence time was mainly related to the deficiency of vitamin D and calcium in feed and the content of vitamin D and calcium in eggs. The initial symptoms of chicks are leg weakness, beak and
2019-01-16 -
Control of longicorn beetles planted with mango
Distribution and harm occur both at home and abroad, and in Yunnan, Guangdong, Guangxi, Fujian and other places in China. The larvae drill into the branches of fruit trees such as mangoes and cashews, usually invading from young branches and gradually eating down to large branches and tree trunks.
2020-11-08 Species mango thorax longicorn beetles control distribution and harm -
Pseudomonas aeruginosa in chickens
Pathogenic Pseudomonas aeruginosa belongs to Pseudomonas genus, gram stain negative, for both ends of the blunt short bacilli, can move, one end of the bacteria has a flagella, bacteria size of 1.5-3.0μm×0.5-0.8μm, single or double arrangement, occasionally see short chain. Epidemiology The disease mainly harms chickens, the incidence is mostly 1-35 days old, the incidence and mortality are different, sometimes as high as 50%, the incidence is not obvious seasonality. According to Liu Shanggao (1987), Pseudomonas aeruginosa is the most prevalent bacterium in chickens in China.
2019-01-16 -
How to plant Populus tomentosa hedge? Control measures of Diseases and insect pests in Populus tomentosa hedgerow
How to plant Populus tomentosa hedge? Populus tomentosa hedgerows refer to those closely planted by shrubs or small trees into single or double rows, and in a closely integrated and regular planting form, are called hedgerows, commonly used hedgerows, privet, red leaf Berberis, water wax
2018-10-13 -
Pest control: pest control techniques of Euonymus tomentosa
Populus tomentosa is an excellent evergreen broad-leaved tree species for urban landscaping and improving ecological environment in northern China at present. The number of trees planted has exceeded 1 billion. It has outstanding resistance and ornamental performance, and can maintain the bright green leaves in winter. Hedges, large color blocks and isolated planting are often used as the main planting forms. In recent years, due to the neglect of quarantine and treatment of diseases and insect pests in inter-regional seedling exchanges, the occurrence area of diseases and insect pests has expanded year by year, and some diseases and insect pests have developed into disasters due to untimely prevention and control.
2019-01-11 -
A common disease of Canna plantain
Canna bract disease is a serious disease mainly distributed in southern China. If it is not controlled, it will be a great loss of wealth for farmers. Therefore, understanding the characteristics and incidence of this disease will be more convenient for farmers to cultivate and control.
2018-07-01 -
What are the animals?
What are the animals?
2018-07-03