SARS-CoV-2 Antigen Test Set
Colloidal gold method
TAT short
sensitivity is simple to play
SARS-CoV-2 Antigen Test Kit (Colloidal Gold) is a rapid lateral flflow immunoassay to qualitatively detect the specifific antigens to SARS-CoV-2 in human respiratory tract, help to screen or identify acute or early infection of novel coronavirus.
SIMPLE -Can be performed by healthcare workers at anytime, anywhere without additional equipment
FAST -Quickly identify COVID-19 to flflatten the curve
RELIABLE –Good sensitivity and perfect specificity compared to PCR test results
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Re-applied the wax fertilizer farmer said: "Thousands of million poured as a pot of wax fertilizer." Application time of wax fertilizer to the 10 to 15 days before the winter solstice is appropriate, generally per mu of pig manure 1200 kg to 1500 kg, or soil miscellaneous fertilizer 2500 kg ~ 3000 kg, can increase the soil temperature 2 °C ~ 3 °C, play the role of winter spring hair.
Cultivating the soil by cultivating in the cultivator, cultivating the ripping soil in the drain of the ditch, and dipping the roots in the soil can improve the soil environment of the rape field, regulate the soil moisture, increase the temperature of the soil, prevent lodging, and reduce the harm of the weed and sclerotium. The depth of cultivator should be different according to the growth of rapeseed. Generally, it should be shallow and deep, and it should be shallow and shallow for long-term and prosperous, combined with cultivator roots before wintering.
Before the application of thin, faecal water for freezing, 600 to 800 kilograms of cleansing water per acre is poured to increase the concentration of soil solution, so that the soil is not easily frozen, thereby reducing the root freezing damage.
Fertilizer sprayed with potassium dihydrogen phosphate and vigor, etc. during the overwintering period, sprayed 0.2% borax solution on boron-deficient rapeseed, which is conducive to freezing and seedling protection.
Increased cover covering rape seedlings with soil miscellaneous fertilizer, grass ash and crop stalks before winter can maintain relatively stable ground temperature, reduce transpiration of leaves, avoid direct damage of cold air to the leaves, and can also bridge the earth seam to prevent air leakage. Such as covering rice straw, 200 kg per mu ~ 300 kg, not only to protect the antifreeze, but also increase soil organic matter. The straw that covers the surface of the crop can be naturally implemented in the event of rainfall, and generally does not affect the photosynthesis of rapeseed.
After the remedy of cold weather after freezing, timely check the seedlings, must rape the rooting phenomenon of rape, must be crushed soil 8 cm ~ 10 cm in time, to prevent rooting dead seedlings; rain and snow early exclusion of field water, to prevent waterlogging hinder root growth During the thawing, weeds the wood ash, and timely spray water on the leaves to ease the imbalance of water, prevent dehydration dead seedlings; timely after the application of quick-release fertilizer after thawing, to promote branching, increase the location of fruit; Buds and severely frozen leaves should be removed promptly.
Wintering rapeseed freeze protection seedlings
Rape is a autumn sowing crop and has a certain ability to resist cold. However, cold air invasion, unscientific species selection, late planting period, improper application of fertilization management measures during winter, and other reasons often cause rape damage, resulting in varying degrees of Reduced production or even no income. Therefore, antifreeze and seedling protection measures must be taken in a timely manner.