When does the day lily pick the winter daylily? How to safely grow the winter with high yield techniques? Day lily has a sweet and cool taste, and has the effects of stopping bleeding, reducing inflammation, clearing heat, dampness, digestion, eyesight, soothing and so on. It has curative effect on vomiting blood, bloody stool, urinary incontinence, insomnia, and lack of milk. It can be used as a post- or post-natal period. Tonic. Day lily grows early in spring and has a high ornamental value. It is a good material for laying out gardens, grasses or flower fields in the trees, and can also be used as cut flowers.
In summer, not only can you watch its flowers, but its leaf clumps remain fresh green from spring to late autumn, all with a green ornamental effect. Daylily is a treasure of flowers and gardening. Because of its wide variety, there are flowers in all seasons, and the family garden still uses it as a decorative flower.
Daylily is the most important fertilization in the growing season, which has a great impact on the yield of daylily in the coming year. After the yawning of the yellow daycai autumn seedlings, the shortening stems and roots enter the wintering stage. Re-application of organic fertilizer at this stage has a great effect on improving soil temperature, heat preservation and anti-freezing, and promoting root growth, and it is also beneficial for the safe wintering of daylily. The day lily should be mastered by the following four points.
The time of applying the winter fertilizer should be carried out when the part of the ground of the daylily stops growing and is wilted after the frost.
Fertilization should be based on organic fertilizer. After entering the winter, the root absorption capacity is greatly weakened, while the nutrient decomposition of organic fertilizer is slow. The application of organic fertilizer is beneficial to the long-term absorption of day lily, and it can store enough nutrients for spring seedlings.
The amount of fertilizer must be sufficient for the amount of winter fertilizer, which should be determined according to the soil fertility and the type of fertilizer. Generally, 1,500 to 2,000 kilograms of fermented pig manure per acre, or more than 1000 kilograms of human waste, or 40 to 60 kilograms of cake fertilizer, or High-quality compost is 2000~2500 kg, and is equipped with a suitable amount of phosphate fertilizer. If the conditions are good, it can be mixed with fertilizers, such as applying manure and urine, and then applying pig manure.
Pay attention to the fertilization method between the plexus distance, or between the rows, from the 10 cm from the plant, the width of 15 to 20 cm, the depth of 15 cm of fertilization points (more fertilizer, fertilization points should be deepened and relaxed), deep Apply, apply soil after application to improve fertilizer efficiency.
Cultivation points
1. Reasonable close planting. The use of dense planting can give play to the advantages of the group, increase the number of tillers, convulsions and flower buds, and achieve the purpose of increasing production. Generally, it is widely used for wide and narrow row cultivation, wide line 60~75cm, narrow line 30~45cm, hole distance 9~15cm, 2~3 plants per hole, planting 45,000~75,000 plants/hm2, and the abundance period is 1.5 million~225 Million plants / hm2.
2, appropriate deep planting. The root group of daylily is born from the short stem. It has the characteristics of one layer and one layer, and the root part moves upward from the bottom to the top. Therefore, proper planting is beneficial to the survival of the plant, and the planting depth is 10~15cm. Root water should be poured after planting, and the soil should be kept moist before the autumn seedlings grow to facilitate the growth of new seedlings.
3, cultivating soil. Day lily is a fleshy root system, which needs fertile and loose soil environment conditions, which can be beneficial to the growth and development of the root group. During the growth period, it should be cultivated 3~4 times according to the growth and soil compaction. The first time when the seedlings are unearthed, the first 2~4 times in the pumping period combined with cultivating for soil cultivation.
4. Fertilization. Daylily requires the application of winter fertilizer (base fertilizer), early application of seedling fertilizer, heavy application of manure fertilizer, supplementation of bud fertilizer.
Winter fertilizer (base fertilizer). The growth should be stopped on the ground part of the daylily, that is, after the autumn seedlings are wilted or planted, the organic fertilizer is mainly used, and the high-quality farmyard manure is 30,000 kg/hm2 and the superphosphate is 750 kg/hm2.
Miao Fei. Miao fertilization is mainly used for emergence and long leaves, and promotes early rapid growth of leaves; seedling fertilizer should be applied sooner or later, and should be applied at the beginning of germination of day lily, and apply superphosphate 150kg/hm2 and potassium sulfate 75kg/hm2.
Manure. The broken period of daylily is an important period from vegetative growth to reproductive growth. In this period, more fertilizer is needed. It should be applied at the beginning of flowering, and the application of urea 225kg/hm2, superphosphate 150kg/hm2, potassium sulfate 75kg. /hm2.
Lei fertilizer. The bud fertilizer can prevent the premature aging of the daylily, improve the bud rate, prolong the harvesting period, and increase the yield; the urea should be applied 75kg/hm2 within 7~10 days after the start of picking. At the same time, the picking period sprays 0.2% potassium dihydrogen phosphate every 0.4 days, adds 0.4% urea, adds 1%~2% calcium superphosphate (filtered) aqueous solution, and adds 15~20mg/kg nine two Spraying once after 17:00 has a significant effect on the buds and preventing buds.
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