What are the causes of abnormal stems and leaves during the winter cucumber cucumber stage? (1) Fertilizer damage: The leaves in the middle and upper part are neatly gilded and the tissues are not necrotic, the upper leaves become smaller, some of the leaf margins are parachute-like, and the grow-----
Spinach is rich in nutrients, but because it contains more tannic acid, it has a bitter taste. Moreover, the oxalic acid contained in spinach is an organic acid. It can directly interact with calcium in human body to form calcium oxalate precipitate. Affects the body's absorption of calcium. I-----
Distiller's grains are residues from the distillation of alcohol or alcoholic beverages in grains. There are many kinds of distiller's grains, such as brewers' grains, distiller's grains, rice distiller's grains, distillers' grains, and distiller's grains. The brewer'-----
Due to the low water temperature in winter, the activity of fish digestive enzymes is relatively weak, so the requirements for feed quality are relatively high. Generally, it is better to feed powdered peanut bran, bean cake or compound feed, and the protein requirement content reaches 28% to 30%.-----
Raising crabs in the winter is beneficial to staggering the season of listing and marketing and raising the market price of crabs so as to obtain the best economic benefits. Here are some suggestions: 1. Pond requirements: 5-10 acres, pool water level is maintained at 1.5 meters or more, good wat-----
The Minister of Health Chen Jie pointed out at the 2012 national food and drug supervision and management meeting held on December 22 that strengthening food and drug supervision and ensuring the quality and safety of food and medicine is the key to deepening medical reform, improving the -----
Electrophoresis is a common and effective tool for modern protein research, but the heat generated during electrophoresis destroys the structure of proteins, and the low recovery efficiency of the target protein from protein gel or other media often leads to more in-depth study of proteins. The abr-----