Planting time after fumigation
When cold and wet, the open time should be increased; when it is hot and dry, it can reduce the open time; high organic matter should increase the open time; clay needs a longer open time than sand.
Pastoral health and management
After the soil is disinfested, it is important to avoid the reintroduction of pests and diseases. Inadvertent soils, plant wastes formed from previous crops, and insect pests in irrigation water may inadvertently be brought into the treated soil. Should avoid the unsterilized soil on the plastic cloth into the disinfection of the field, to avoid disinfection and then turn cultivation. Seed processing
In order to avoid the introduction of soil-borne diseases into the treated soil, it is necessary to start with the seeds. First of all, according to the development situation of the local vegetable diseases and insect pests, select suitable varieties that are suitable for cultivation in the region.
Seed disinfection before sowing, such as soaking in hot soup, high-temperature dry heat disinfection, seed dressing, liquid soaking and other methods, can reduce or resist the occurrence of diseases.
Recommended seed disinfection technology:
Warm soaking seeds: Soak the seeds with warm water at 55°C and keep stirring. Add water to keep the water temperature stable at 53-56°C for 15-30 minutes as the temperature decreases, and control the fungal diseases of the seed belt.
Acid treatment: Soak the seeds with 1% hydrochloric acid solution or 1% citric acid solution for 40-60 minutes and wash them with clean water to prevent the bacterial diseases of the seeds.
Alkaline treatment: Use 10% trisodium phosphate solution or 2% sodium hydroxide solution to soak the seeds for 30 minutes and wash them with water to prevent virus transmission from the seeds.
You can also choose bright shield (metalaxyl + clotrione), Weifu (Wei rust Ling + Fu Mei pairs), pyraclostrobin and other pesticides for seed dressing or soaking.
Farm tools and shoes cleaning
Before using the machinery and tools in the treated soil, clean the untreated soil adhered to the machinery and tools. Avoid shoes clothing that brings untreated soil into the treated field, especially at the time of planting. When removing the tarpaulin after soil treatment, be careful not to bring untreated soil into the sterilized soil.
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