One, boron deficiency symptoms

Some symptoms of rapeseed can be observed in the boron deficiency seedling stage, but the obvious symptoms are from the late flowering stage to the fruiting stage, especially a large number of "flower but not real" phenomenon, or the petal i…

Timely harvesting is the key link in the production of high quality and high yield of Hericium. When the fruiting body grows to 89, when the spear grows to about 0.5 cm, the spores can be harvested when they have not been ejected in large quantities. At this point, the fresh weight of the mush…

Cottonseed cake is a byproduct of oilseed from cottonseed, and generally contains 30-40% of crude protein. It is a good protein feed in pig production. However, because it contains a certain amount of toxic free gossypol, its use is limited. If a large number of pigs are used for a long pe…

A very important task in the prevention and control of poultry diseases is to make a rapid and accurate diagnosis of the disease. Otherwise, the disease will quickly spread due to the failure to take effective preventive measures in time, which will bring a heavy blow to the poultry indust…

Low temperature constant temperature water tank is widely used in petroleum, chemical, electronic instrumentation, physics, chemistry, bioengineering, medical and health, life science, light industry food, physical property testing and chemical…

Dairy cow production, also known as milk fever, is a disorder of nutritional metabolism that occurs suddenly in the short period after adult cows deliveries. Generally occurs in the high-yield cows after delivery of 1 to 3 days, clinical hypocalcemia and hypoglycemia mainly, suffering from…

How to increase the milk production rate of dairy cows The milk production rate of dairy cows is affected by many factors. How to increase the milk production rate from the perspective of feeds? The traditional method is to add some production-promoting additives, but the cost is higher. The m…

The temperature in winter is very low. After the piglets are born, diarrhea often occurs due to infection with pathogenic microorganisms such as Salmonella, E. coli, and Clostridium perfringens. Emphasis on day-to-day management is a fundamental measure to avoid winter piglets squatting. 1. St…

The lactation period of lactating cattle can generally be divided into the early stage of lactation, the prolific stage of lactation, the late stage of lactation, and the dry stage of lactation. Due to the different performance and feeding characteristics of dairy cows at different stages,…

Our province's climate, soil and other conditions are suitable for the cultivation of asparagus. At the same time, asparagus's harvesting of stems depends entirely on labor. It is a labor-intensive industry. Our province has abundant labor resources and has unique conditions for th…

Disinfection is a very important part of chicken production. Its purpose is to eliminate pathogens. Chicken secretions, excreta and chicken excrement, blood and contaminated chicken sheds environmental equipment and keepers' work clothes, shoes, caps Etc. must be thoroughly disinfected…

Planting greenhouse cucumbers are usually nursed from December to January every year. If the weather conditions are not good at this time, the seedlings are susceptible to damping-off and blight, causing seedling lodging and dead seedlings.

The catastrophic disease was characterize…