This is a Cognitive Rehabilitation Equipment, by turning the boring learning content into interesting forms like games, animation, pronunciation, etc., children can unknowingly learn knowledge and exercise their skills
Cognitive communication training system including intelligence, AAC auxiliary communication training board, qi hui cognitive training system and speech training card induced by the lead of others, and education, and adopt comprehensive rehabilitation method, let the children actively training, through vivid and interesting game and practice, so as to stimulate a interest, improve the ability of attention, participation, improve the learning efficiency, so as to achieve the goal of training the cognitive function. It is a set of intellectual development software for children with strong knowledge and interest. It scientifically selects a variety of exquisite and colorful pictures and animations of fruits, vegetables and animals suitable for children's observation and recognition. It is full of children's interesting stories and easy to understand children's songs.
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With the increase of mechanization and the change of farming habits in rural areas, due to the improvement of mechanization and the change of farming practices in rural areas, “hygiene fields†have appeared in large numbers, neglecting organic fertilizers and relying solely on the application of chemical fertilizers, resulting in imbalance of soil nutrients, insufficient land stamina, and significantly reduced resilience.
After the flowering buds of premature senescence caused by excessive growth during the growing period, vegetative growth and reproductive growth go hand in hand. Too much ringing results in heavy physiological loads, poor nutrition, and reduced plant resistance. This period is also the high incidence of yellow wilt. This leads to premature aging.
Premature decay caused by farming cultivation Due to the large-scale cultivation of cotton in the cotton-producing area, rotation is difficult and the phenomenon of heavy plucking is serious. In the low-lying, poor-drainage plots, cotton roots are stunted, the number of antibiotics is small, and the accumulation of pathogens is severe, leading to premature aging.
The prevention and treatment of premature aging of cotton should start from the following aspects: When selecting disease-resistant varieties, the multi-resistance varieties approved by the relevant agencies should be used, and it is forbidden to transfer non-quarantine-qualified seeds from serious wards. deal with.
Rational rotation and deep plowing of cotton planting of most oysters. The plots that have not been planted with cotton within a period of 4 to 5 years can be used for deep plowing to improve soil structure, promote robust growth of plants, and prevent premature aging.
Strengthening field management Intermittent irrigation in cotton fields is the best irrigation method. This can increase soil permeability and improve the rhizosphere environment, which is conducive to the growth of microorganisms and antibiotics. After irrigating, the soil is easy to compact, and it is necessary to combine cultivator soil. It is best to apply organic fertilizer before planting, supplement fertilizer during growth. The general application of phosphorus and potassium fertilizer, stable nitrogen fertilizer. The excessive application of nitrogen fertilizer in the early stage easily leads to prosperous and unsteady peaches. Due to the poor mobility of phosphorus in the soil and its low utilization rate, the application of phosphate fertilizers is extremely important for the prevention and treatment of premature aging of cotton. If the basic fertilizer is applied to diammonium phosphate, then the status of the whole growth period of cotton will be significantly improved. Fertilizers containing humic acid should also be given priority in planting and topdressing. In addition, the application of boron and zinc, trace fertilizer, spraying potassium dihydrogen phosphate in the middle and late stages, have a good effect on the prevention and treatment of premature aging of cotton.
Pharmaceutical regulation should prevent and control pests and diseases timely and control the spread. Found diseased plants in time. For each growing period of cotton to timely chemical regulation, so that the plant towards a strong, high-yield direction.
The causes of premature aging in cotton are: The disease caused by premature senescence is the most common and heaviest. Incidence and temperature are closely related. Fusarium wilt develops at about 20°C in the seedling stage, and the condition is inhibited at 25°C to 30°C. The incidence of Verticillium wilt is higher than the wilt disease, so the peak incidence is later than the wilt disease. The incidence is high at 25°C, and the disease is relieved when the temperature is above 28°C. During this period, if the rainfall is high and the humidity in the field is large, the disease will spread rapidly. Generally occurs from July to August every year.