Fuel is clean. At present, most of the agricultural machinery engines are diesel engines, so the diesel purification work is very important. There are three methods for diesel purification. The first is to set the purchased diesel oil to settle for more than 96 hours, and then add the filter to the
Read MoreIn the management of goats, in addition to some of the same management methods as sheep, there are the following main management techniques: 1. Fleece and shearing goats Fleece and shearing are performed each spring. When the goat's head, ear roots, and fluff around the eye sockets began to fal
Read MoreSaliva sample collection is a harmless and painless method to obtain DNA/RNA. This method will not cause any discomfort to the collected person, and it is easy to be accepted, so it can maximize the sampling range of genetic research.The most convenient way to collect DNA for genetic testing is sali
Read MoreAccording to the Economic Daily, under the influence of various unfavorable factors, the US epidemic prevention and control work is still struggling. Recently, many pharmaceutical companies in Europe and the United States have made important progress in researching new crown vaccines. However, the s
Read MoreArtificial propagation of Astragalus must understand the reproductive characteristics of Astragalus, especially to understand the unique sexual reversal of Astragalus. Unlike most vertebrates, Astragalus does not belong to a single sex. Instead, it is female in the first half of life and male in th
Read MoreOne of the keys to the success or failure of selection of Chinese cabbage in spring cabbage cultivation is to use varieties with strong winter, late bolting, cold-tolerant and high yield. For example, April slow, late black leaf and spring water cabbage are all suitable for spring cultivation. Exce
Read MoreFertilization is indispensable for high vegetable yields. But fertilization can't be applied casually, so what problems should be paid attention to when fertilizing vegetables? Do not apply ammonium nitrate to leafy vegetables Chinese cabbage, Chinese
Read MoreWhen a new round of nucleic acid screening was being carried out in Shanghai, a rumor spread widely on social media to the effect that “the cotton swabs used for sampling have reagents on them and are poisonousâ€. Some netizens left a message on the “Shanghai Refutes Rumors Platform
Read MoreIn recent years, farmers in Hebei Village, Dayi Town, Yizheng City have adopted a mode of interplanting lettuce, ginger, watermelon and vegetables. Generally, 2 000 kg of lettuce, 2 000 kg of ginger, 1,500 kg of watermelon, and 500 kg of green vegetables are produced per mu. . Now the planting tech
Read MoreAt present, the domestic vegetable plant protection machine is mainly based on backpack and mobile spray machinery. There are some stretcher sprayers. The main model of the cultivator operation is that the 2Z-B multi-functional tillers can perform field cultivator operations. See more technical art
Read MoreTianjiao Red-Crest Tomato is a red tomato variety exclusively distributed by Nanjing Xingguang Seed Industry Co., Ltd. It is selected from the most advanced parent material in the world and suitable for winter, spring and autumn extension protection and open field cultivation in north and south. Th
Read MorePractice has shown that caged pigs have many advantages over captivity. One is the small footprint. Pigs usually occupy an area of ​​about 5 square meters, and a pig cage 140 centimeters long, 5 centimeters wide, and 100 centimeters high occupies an area of ​​only 0.7 sq
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