Methods/Steps Step by Step Reading
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Open culture. There are more osmanthus flowers planted in the field than in early spring. The planting site should be sunny, well drained and deep in soil. Dig a big pit before planting, apply more organic fertilizer and plant ash at the same time. Seedlings need to be transplanted with soil ropes in order to survive. Fully irrigate after planting. Apply liquid fertilizer once after survival. Apply 1-2 times water and fertilizer in July and August. Before winter, compost is now used. In the future, the available nitrogen fertilizer was applied once in late March, the available phosphorus and potassium fertilizer was applied once in July, and the organic fertilizer was applied once again in June at 5438+ 10. After each fertilization, irrigation and intertillage weeding should be done in time, and attention should be paid to timely prevention and control of pests and diseases, which can accelerate the growth. Every year, bloom is lush and fragrant.
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Potted plants. In order to make Osmanthus fragrans bloom more and more fragrant, we need to grasp five main links, such as pot soil selection, timely watering, skillful topdressing, proper pruning and pest control. Potted soil can be made of mountain mud, humus and sandy soil with a ratio of 5: 3: 2, or half humus and sandy loam. Osmanthus fragrans should master the principle of "two less and one more", that is, water less before new buds appear, water less in rainy days and water more in dry weather in summer and autumn. It is advisable to keep the basin soil half dry and half wet when watering at ordinary times. Take shelter from the rain in rainy days and drain in time to prevent the water in the basin from rotting roots. Don't water too much in winter, otherwise it will easily cause leaves to fall or even die of waterlogging. Generally, it is "completely watered if you don't do it." After fertilization and spring germination, apply 1 times of fully decomposed cake fertilizer and water every 10 day to promote its branching. After July, liquid fertilizer, mainly phosphate fertilizer, was applied to promote flower bud differentiation. If fertilization, especially phosphate fertilizer, is insufficient, there will be fewer branches, fewer flowers and less fragrance. Before entering the house in winter, you can sprinkle bean cake powder or pour thick fertilizer on the surface of the pot soil for the winter. Pruning osmanthus fragrans has developed root system and strong germination. Therefore, in order to make Osmanthus fragrans flourish, it is necessary to prune it properly to keep the balance between reproductive growth and vegetative growth. Generally, it is necessary to cut off long branches, weak branches, pests and diseases to facilitate ventilation and nutrient concentration, and promote osmanthus to breed more and fuller flower buds.
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Maintenance technology
Water drainage: Osmanthus fragrans is mainly watered within one month after new planting and in the summer of the same year. The newly planted osmanthus must be watered, and it can be watered in time according to the weather and site conditions. Conditionally spray water on the crown of the plant to maintain a certain air humidity and reduce the evaporation of water from the seedlings. In addition, in order to promote the early flowering of osmanthus fragrans, in mid-September, when the flower buds begin to germinate, appropriate amount of water should be used to keep the soil moist. Osmanthus fragrans seedlings do not need a lot of watering during normal maintenance, but can be properly watered in particularly dry summer and autumn. Osmanthus fragrans is not tolerant to waterlogging, and poor drainage will cause a lot of fallen leaves, root rot and even death. Drainage or transplanting waterlogged plants in time and planting with a certain amount of sand can promote the growth of new roots.
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Rational fertilization: thin fertilizer should be applied frequently, mainly available nitrogen fertilizer, and large and medium-sized seedlings should be fertilized three or four times a year. In early spring, before the buds begin to swell, the roots begin to move and absorb fertilizer. Therefore, in early spring, organic fertilizer should be applied to the tree tray to promote the growth of spring shoots. Spring shoots are branches that bloom in autumn that year. Spring seedlings are growing vigorously and will bloom more in the future. After Osmanthus fragrans blooms in autumn, in order to restore tree vigor and supplement nutrition, inorganic fertilizer or garbage miscellaneous fertilizer should be applied in early winter. In the meantime, fertilization can be applied once or twice according to the growth of osmanthus fragrans. The newly transplanted osmanthus fragrans has weak absorption capacity because of its damaged root system, so it is not appropriate to topdressing too early. The base fertilizer of the transplanting pit should be mixed with soil and covered with soil, and the root system should not be in direct contact with the fertilizer, so as not to damage the root system and affect the survival rate.
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Pruning: Pruning osmanthus fragrans is an important measure to cultivate single-dried osmanthus fragrans. Timely and reasonable pruning can make it ventilated and transparent, strengthen photosynthesis and reduce pests and diseases, so that osmanthus fragrans grows rapidly, its trunk is straight and its tree shape is beautiful.
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When osmanthus fragrans germinates, the buds on the trunk and base can also germinate, so the useless buds on the lower part of the trunk should be peeled off in time to concentrate water and nutrition, promote the development of the upper branches and form an ideal tree shape. To cultivate dry osmanthus fragrans by thinning branches, we should consciously cultivate the trunk straight from the beginning of seedlings, maintain a certain height under branches, and cut off useless branches. Generally, the height under the branches of osmanthus fragrans is about 1.5 meters.
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Cut the overgrown top branches to keep the height of osmanthus fragrans at about 3.5 meters and the crown width at 2.5 to 3 meters. When transplanting Osmanthus fragrans, in order to maintain a complete tree shape, it is not advisable to cut it forcefully, but only cut off dead branches, disease and insect branches, sparse overlapping branches, cross branches and thin branches, and control long branches.