1. Choose fruit that has been certified by a national specialized agency or certificate of origin, pollution-free fruit, green fruit, and organic fruit. These fruits that have been certified by state agencies are strictly controlled in accordance with relevant requirements during production manage.....

First, choose the eggs as much as possible to use the production of eggs within two weeks, and remove double yellow eggs and misshapen eggs. After selection, use 30°C warm water and add 0.1% potassium permanganate solution to soak the eggs for 3 minutes, remove them and dry them to incubate. S.....

Application and research of elastic seat sealing eccentric plug valve The elastic seat sealing eccentric plug valve is a new type of plug valve. It fills the gaps in traditional plunger valves and ball valves in large-diameter pipelines (above DN200) and sewage cement. Its.....

In view of the drought conditions in the spring maize production area in our province, the scientific use of effective public opinion, and actively doing a good job in seed selection, sowing, fine soil preparation, timely sowing, and so on, it is crucial for the spring sowing of corn to preserve s.....

Fishmeal is a feed made from whole fish or fish scrap (fish heads, fish tails, fins, entrails, etc.) as raw materials, after cooking, pressing, drying, and crushing. Fishmeal has a high protein content, amino acid balance, unknown growth factor, etc. It is a well-recognized animal protein feed and.....

First, start from the source, do not let the disease enter the market 1. Do a good job of quarantine and isolation. The purchase of piglets should be done on a regular large-scale farm or purchased by neighboring farmers. If you buy piglets in the market, it is recommended that you buy them at on.....

Bitter gourd has high temperature and does not tolerate cold, so it brings certain difficulties to the production of solar greenhouse in winter. In recent years, the cultivation of balsam pear in the solar greenhouse through grafting technology in some areas has enhanced plant disease resistance a.....