First, the breeding of dairy cows In order to enable the cow to reproduce normally, it is necessary to understand the reproductive physiology of the cows and to conduct scientific feeding and management of the cows in the production practice so as to ensure the normal estrus and breeding of the c
Read more1, appearance The healthy chicks had neat, clean and shiny hair; the abdomen was flat and soft; there were no bleeding marks on the umbilicus and they were well-cure, tight and dry with villous coverage; the sick fluff was filthy, lacking in luster; the abdomen was enlarged and slack, and the umb
Read moreAt present, garlic is in the seedling stage and is about to enter the period of vegetative growth and reproductive growth. In order to improve the quality and yield of garlic and garlic, field management should be strengthened, timely irrigation and irrigation, moisture and nutrition should be ens
Read more1. Check the position of the oil level frequently. If it does not meet the requirements, it must be adjusted to meet the requirements. When operating with a vacuum pump, the oil level is at the center of the oil standard. 2. Under normal circumstances, the vacuum pump
Read moreFirst, we must pay attention to fertilizer and water management. Due to the high temperature in summer, strong sunlight, large evaporation on the ground, and large transpiration of crops, watering is often required in the initial stage of planting to keep the soil moist. In the rainy season of Jul
Read moreThey say that it is difficult to place food and agricultural products as brands. We found that compared with deep-processed foods, there are two major difficulties and one misunderstanding in the low-processing (including agricultural products, especially fresh products) brands in table fo
Read more1. According to the measurement object and the measurement environment to determine the type of sensor to carry out - a specific measurement work, first of all to consider the principle of the sensor, which needs to analyze a variety of factors before it can be determined. Because even if it is meas
Read morePrinciple and application of R&D cancer cell sorting kit Like stem cells, cancer cells can proliferate indefinitely. There is increasing evidence that clonal populations of tumor cells exhibit significant heterogeneity in terms of proliferation and differentiation, and that cancer cells are pro
Read moreBreasts are the second sexuality of women and are an important part of women's curvaceous beauty. The "face" of the breast varies with the health of the breast. Shape 1: All ok This is the most beautiful expression of the breast. Each side of the breast has between 15 and 20 glands
Read more1. The water requirement for osmanthus watering in different growth periods is different. Watering too much or insufficient water directly affects the normal growth and development of the plant. Newly planted sweet-scented osmanthus trees, especially within one month after planting, should be water
Read moreWheat scab, also known as rotten wheat head, red wheat head, and wheat withers, is one of the major diseases of wheat. In the rainy and humid climate, the diseased ear can produce pink mold, which is also known as scab due to this characteristic. Wheat scab has occurred in all wheat regions of the
Read moreThe main causes of seed rot after corn sowing are: 1, sowing too early, too deep. The emergence time is longer. In case of bad weather, such as short-term frost damage or a long period of low temperature, the seed's own immune function is reduced, and the ability to resist the virus is weak.
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