The latest soil cultivation methods and matters needing attention of scallions
It is necessary to cultivate soil in the process of green onion planting, because soil cultivation is an important measure to soften leaf sheath, prevent lodging and improve the yield and quality of green onion. Reasonable soil cultivation of green onions can not only increase the length of green onions, prevent lodging and bending, but also greatly improve the taste and quality of green onions. So what should scallions pay attention to when potting the soil? Let's take a look.
1. Soil cultivation time
Generally, the soil can be cultivated when the green onion grows to about 30 centimeters, not too early, otherwise it will cause the green onion to grow slowly and bend, and the soil cultivation should be carried out in the afternoon, because the leaves are tender and will not damage the leaves, if this opportunity is missed, the green onion leaves will be damaged in the process of potted soil.
2. Reasonable topdressing
It is generally necessary to cultivate the soil about 3 times in the process of green onion growth. the first time is small soil cultivation, and the thickness of soil cultivation is controlled at about 5 cm, generally after the green onion grows to 30 cm. 25 jin of compound fertilizer can be applied with 150 jin of organic fertilizer per mu to promote the root system to tie down to meet the early growth needs of green onions. When the green onion grows to 40-45 cm, the soil is cultivated for the second time, and the thickness of the soil is controlled at about 10 cm. This time, the topdressing of soil is mainly nitrogen and potassium fertilizer, which promotes the growth of false stems and leaves. The last soil cultivation is about 20 days before harvest, in order to improve the quality and taste of green onion, the thickness of soil cultivation is controlled at about 10 cm, this topdressing should not be supplemented with nitrogen fertilizer, otherwise it will easily lead to green onion softening and poor taste.
3. Soil cultivation method
The width of the soil should not be too wide, the soil should be taken from the middle of the row, the width of the soil should not exceed 1/3 of the line spacing, and it should not be too deep, so as not to hurt the roots. The soil should be solid to prevent Rain Water from scouring and collapsing. The soil is too dry or too wet to cultivate the soil, to keep the green onion pseudostem straight, so it is not suitable to cultivate the soil too deep, the deepest buried to the leaf sheath, otherwise it is easy to cause scallion white bending.
4. pay attention to the season
It is not suitable to cultivate soil in high temperature season, otherwise the pseudostem will rot because it is buried too deep in the soil, and the number of times of soil cultivation should not be too much. frequent soil cultivation will not only increase the workload, but also inevitably hurt roots and leaves, affecting the growth of straw. Do not cultivate the soil too deep at one time, otherwise it will bury the leaves, which can easily cause decay. Each time the soil is 3-4 cm thick. Cultivate the soil to the boundary between the leaf sheath and the leaf body, that is, only bury the leaf sheath, do not bury the leaves.
The above is the introduction of green onion soil cultivation methods and matters needing attention, hope to help you, want to know more related knowledge, please follow us.
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