Asparagus is a nutritious perennial green vegetable. It is about to pass in the winter season every year. In the alternating period of spring, the aerial parts of asparagus plants will age and go to sleep. However, part of its underground roots is still growing up to absorb nutrients, so farmers can do a good job at this stage, do its field management measures, and lay the foundation for next year's management. Now Xiaobian will talk about the winter field management measures of asparagus. First, re-applying asparagus for wintering fertilizer After the end of autumn harvest of asparagus, it is necessary to re-apply wintering fertilizer to meet the needs of underground root group growth. After the bamboo shoots are finished in the autumn, the stems of the dead yellow mothers are first removed and moved away from the field. In the winter and winter solstice, the two wintering fertilizers are applied twice, mainly organic fertilizer, and can also be mixed with peanut cake. When you go to the spring festival, you should apply the fertilizer once again to promote the growth of the tender stems. Watering must be done once after each fertilization and watering once every 6-7 days in the dry season. Second, clean up the asparagus garden and disinfect From the stage of the Great Cold to the beginning of the spring, depending on the degree of yellowing of the asparagus plants, the plants were cut off, the stems, dead branches, weeds, etc. of the plants were thoroughly cleaned, moved away from the fields, and the bamboo shoots and surrounding weeds were removed and eliminated. Overwintering parasites and pathogens. In the first fertilization, the soil at the base of the plant can be properly opened, until after the second fertilization, usually after the spring, the soil is cleaned in fine weather, and the soil is not damaged when the soil is raked. And remove the residual stems, can be exposed to the sun for about 2 days, and then apply the corresponding medicament to the asparagus garden to eliminate the pathogens of wintering, reduce the occurrence of diseases in the coming year, and then cover 5-6cm thick sand. The acidic farmland can apply 50-75kg of quick lime per acre to neutralize soil acidity. Third, clear ditch anti-stain The root system of asparagus belongs to the root system of meaty type. The soil can not contain too much water, so it is necessary to clear the ditch in time to prevent waterlogging and root rot. Fourth, the prevention of pests and diseases The main pests and diseases of asparagus during wintering are stem blight and aphids and tigers. By clearing the ditch, reducing the groundwater level, applying less nitrogen fertilizer, increasing the application of phosphate fertilizer and soil fertilizer, and using 70% methyl thiophanate spray to control. The aphids can be sprayed and treated with 50% phoxim emulsifiable concentrate 1000 times, and the ground tigers can be controlled by bait trapping or artificial capture. The above is the introduction of the field management measures for asparagus in winter. For the wonderful pictures and popular comments on the winter field management measures of asparagus, you may be interested in the following recommended contents. Welcome to read.
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Asparagus winter field management measures detailed
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