Cutting seedlings should pay attention to soil disinfection

The recovery of all things after the beginning of spring is an excellent opportunity for nursery. As the saying goes, “miao is good for a year,” and the quality of seedlings directly affects the whole season’s yield and quality. Therefore, farmers’ friends must timely disinfect the soil of the seedbed before killing the seedlings or cutting seedlings to kill pathogens and improve the seedlings. quality. Soil disinfection of seedbed soil to ensure the safe growth of seedlings. The commonly used disinfection methods are as follows:

Pentachloronitrobenzene disinfection. The per square meter seedbed is mixed with 50 grams of 75% pentachloronitrobenzene and 100 grams of zein zinc. After mixing with 15 kilograms of fine soil, it is poured into the soil and sowed or sowed after 1 week of watering. It can prevent seedling blight, anthrax, damping-off, and sclerotia.

Formalin disinfection. Each square meter of nursery bed is filled with formalin (30 ml) and water (5 kg). It is evenly sprayed on the surface of the ground and covered with tight film. After 7 days of boring, the film is opened and the gas is volatilized. The seedlings are sown or sowed after 2 days. It can prevent blight, brown spot, and anthrax.

Carbendazim disinfection. Per square meter with 50% carbendazim WP 50 kg mixed soil 5 kg, evenly spread on the seedbed, after watering cutting, sowing. It can prevent seedling diseases such as root rot, stalk rot, and gray spot disease.

Trichloroisocyanuric acid disinfection. 85% trichloro isocyanuric acid per acre can be used, mixed with fine soil sprinkled on the seedbed, after plowing the soil. It can prevent seedling stalk rot, epidemic disease, damping-off disease, black spot disease and various diseases of bulbous bulbs.