Several methods of high yield in the cultivation of leek
1. Land selection and preparation: flat terrain, convenient drainage and irrigation, deep and fertile strata, suitable soil structure and good physical and chemical properties. Newly ploughed land, apply base fertilizer, pour through water, spray new high-fat film to ward off underground diseases and insects, isolate virus infection, preserve fertilizer and soil moisture.
2. Seed dressing and sowing: select excellent disease-resistant varieties and mix seeds with new high-fat membrane to strengthen the respiratory intensity of leek seeds and improve the germination rate. After putting it into the seedling bed to keep warm and promote germination, sprinkle the germinated seeds with 2-3 times of sand in the furrow, cover with fine soil, cover with film or straw after sowing, and remove the bed cover when 70% of the seedlings are unearthed.
3. Planting: the seedling stage is 120 days, the seedlings have 7-9 leaves, and the planting period is when the plant height is 18-20 cm. After transplanting, spraying new high-fat film can effectively prevent aboveground water from evaporation, seedling water from transpiration, cut off diseases and insect pests, shorten slow seedling period, quickly adapt to the new environment and grow healthily.
4. Water and fertilizer management: timely watering during the growing period, keeping the soil surface moist, combined with watering, mid-ploughing and weeding, reasonable fertilization, generally not harvesting before planting, in order to promote strong seedlings and roots. Spray new high-fat film, not afraid of sun exposure and evaporation, can adjust the absorption of water-saving, drought and rain protection.
5. Raising roots and strong seedlings: spraying Zhuangtuanling during the growth period of leek can make the plant stem thick, leaf thick, leaf color fresh and tender, plant luxuriant and natural taste strong. At the same time, it can improve the ability to resist disasters, reduce the amount of pesticides and fertilizers, and reduce residual toxicity.
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