Spring is the ideal time for planting vegetables, and preparing the seedbed soil properly is essential to prevent diseases and ensure healthy growth. Soil disinfection before sowing plays a key role in maintaining the quality of vegetables and reducing the risk of pests and infections. There are several effective methods to disinfect seedbed soil, and here are eight commonly used techniques.
First, using thiophanate-methyl or carbendazim is a popular choice. Mix 50% thiophanate-methyl or 50% carbendazim powder with fine soil at a ratio of 1:100. Apply this mixture to the seedbed before and after sowing. This method not only helps control pests and diseases but also prevents issues like blight and ginger aphid infestations.
Second, the pentachloronitrobenzene method involves mixing 80% pentachloronitrobenzene (at 40%) with 40-50 kg of dry fine soil. After watering the seedbed, spread one-third of the treated soil on the surface, sow the seeds, and then cover them with the remaining two-thirds of the medicated soil. This ensures the seeds are surrounded by the protective treatment.
Third, the enemy Kesong method uses 95% wettable powder of the product mixed with 10 kg of fine soil. Apply it to the seedbed before sowing to provide protection against various soil-borne pathogens.
Fourth, formalin disinfection is another effective technique. Two to three weeks before sowing, loosen the soil and mix 4 liters of formalin with 40 liters of water per square meter. Pour the solution onto the bed, cover it with an opaque material for 4-5 days, then aerate the soil for two weeks before replanting.
Fifth, Daisen ammonium can be diluted at a ratio of 300-400 times and applied at 3-5 kg per square meter. This helps eliminate harmful microorganisms in the soil.
Sixth, ferrous sulfate is used at a concentration of 3%, applying 0.5 kg of solution per square meter. It's effective in controlling fungal diseases.
Seventh, Bordeaux mixture is a traditional fungicide made from copper sulfate, lime, and water in a ratio of 1:1:100. Apply 2.5 kg per square meter, mix with 10 grams of soil, and allow the soil to dry slightly before sowing or cutting.
Lastly, renomycin is another option. Mix 25% renomycin with 50 kg of water, spray it over 1000 kg of nutrient soil while mixing thoroughly. Let it sit for an hour before spreading it in the seedbed.
These methods offer a range of options for gardeners and farmers looking to improve the health of their seedlings and reduce the risk of disease. Choosing the right method depends on the type of vegetable being grown and the specific soil conditions. With proper preparation, you can set the stage for a successful growing season.
Zinc steel is used as the base material for the production of safety protection railings and guardrails in the suspended places of roofs and balconies, with a wide field of vision and prevention of falling from heights
Zinc steel balcony Guardrail Railing
Xuzhou Guifeng Metal Technology Co., Ltd , https://www.guifengmetal.com