Spring tube, day lily, three

After the spring began, the temperature gradually increased and the daylily was buried in the soil. The leaf buds on the short shortening stems began to sprout, giving birth to spring seedlings. Under normal circumstances, the spring seedlings are the basic seedlings that determine the annual yield of day lily, because the number of spring seedlings and the robustness of growth are directly related to the number of effective stolons and the yield of flower buds. Therefore, strengthening the spring management of day lily is the first trick to promote early spring seedlings, robust seedlings, and seize high yields. Spring Pipe focuses on three:

1. The leaf buds on the short stem shortening stems of Lithocarpus larificus were sensitive to the humidity. When the average temperature was 5°C, the buds began to germinate, and when the temperature reached 10°C, the seedlings began to unearth and new leaves grew. Due to the influence of winter rain and snow and the trampling of humans and animals, the cultivated layer of the soil is hardened and the top soil of the seedlings is disturbed. As a result, the soil must be loosened in time to help the seedlings to be successfully unearthed. After loose soil, it can increase the light (sunshine) permeability of the soil, increase the temperature of the ground and promote the activity of microorganisms, thereby accelerating the decomposition of organic nutrients in the soil and the release of effective nutrients. At the same time, after loose soil, it also promotes the initiation of new roots and accelerates the absorption and transport of soil moisture and nutrients by roots, which is conducive to early growth and strong seedlings. At present, we can choose to do it when the soil is dry and dry. We must first plan the soil surrounding the root weir, combine inter-row cultivators, and clean up the ditch system inside and outside the vegetable field so that the irrigation can be done by drought and energy can be discharged. When ripping seedlings, the operation must be careful not to touch the shoots.

Second, re-apply spring Miaofei Shichun fertilizer is mainly to promote seedlings early growth and rapid, robust, it has a great influence on the young bud differentiation, flower buds, buds and the number and quality of buds, is the focus of day lily spring management The weight. The fertilization time is controlled at the 2-3 leaf stage of seedlings, usually in early March. Fertilizer should choose quick-acting fertilizer or compost human excrement, that is, 5-6 kilograms of urea per mu or 1500 kilograms of human waste, combined with cultivator loose soil on the water hole.

Third, prevention and treatment of insect pests in spring is a season in which germs reproduce and invade crops. The newly emerged day lily seedlings are vulnerable to diseases such as leaf spot, leaf blight, and rust, and underground parts are also prone to root rot, resulting in culling of ridges. Must always pay attention to observation, diligent inspection, found that the disease prevention and treatment in time. It can be used to control 150-500kg of water or 80kg of water for 100g of thiophanate-methyl. If locusts or spider mites are found to be infested, 40% of Legomar 50g plus 100kg of water can be sprayed and prevented.

In addition, for young vegetable fields, intercropping vegetables and other crops can be used to increase land use efficiency and productivity to increase revenue.

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