Water is divided into hard water and soft water. The so-called hard water refers to well water, salt water, sea water and other materials containing more calcium, magnesium and other substances, the hardness is generally 18 to 20 degrees. If these waters are used to dilute the pesticides, calcium,
Tomato cultivation using a special fruit bag (white paper coating bag) bagging, can reduce the disease, reduce the amount of pesticides, increase production, and can make the fruit bag natural turn red and early red, eliminating the use of ethephon coating The problem of cooked hormone pollution i
1, pathogens Blackhead disease, also known as bacterial brown spot, is a type of pseudomonas and belongs to the Schizosaccharomyces, Schizosaccharomycetes. The bacteria were rod-shaped and formed white colonies. Gram staining showed a negative reaction. 2. Disease symptoms Bacterial brown spot
The planting area of ​​shallow water sluice in Qinshui County has reached 60,000 mu, but it can only be produced once a year, and the land utilization rate is low. In recent years, we have promoted the cultivation mode of shallow springs and spliced ​​spring cabbage, ma
Clenbutero Hydrochloride (Clenbutero D commonly known as "clenbuterol", chemical name, hydroxymethyl tert-butyl adrenaline; molecular mass 313.7ku. Clenbuterol is a white or off-white crystalline powder, odorless, bitter, melting point 174 ~ 175.5 ~ C, soluble in
Red wood adaptability, cold, drought, and pruning. Family pots, as long as a little bit of heart management, not mistaken for water and fertilizer, reproduction introduced that year, to the fall and winter season, it can be considerable effect. The potted red wood of the family can be reproduced