If a hundred-year-old peony is well managed in the fall, it can ensure timely flowering and flowering. Therefore, the fall management should pay attention to the following aspects: First, fertilizer and water management Because of the thin layers of wood and fiber, the old peony has relatively slow water and nutrient transport. Therefore, the fertilizing material must not be over-concentrated, and it must be applied thinly, but must not be used as a concentrated solution. It is advisable to use dry seasons in autumn and winter. Water is rich, and the peony's fleshy roots can't absorb. It will damage the roots. In the following year, the leaves will be yellowed and there will be no flowers to bloom. Long-term down will lead to plant death. In the fall, the fertilizer and water will be halved, and inorganic fertilizers and organic fertilizers will be converted from summer to compound fertilizers, and organic fertilizers will be applied slowly or stopped. Since peony is the root of autumn hair, if the flower buds do not have a well-developed root system during the differentiation period and the gestation period, it will be difficult to guarantee the flowering of the tree in the coming year. Into the fall, the ground humidity is high, it is difficult to chase other fertilizers, top-dressing compound fertilizer is the best. To make up for the source of fertilizer in the autumn, it promotes the healthy development of the peony root, thickens the branches, and prepares enough nutrients for gestation of buds. From autumn to winter, it is necessary to control fertilizer and water, and use a small amount of cake fertilizer or microbial fertilizer (bean cake, small fish, shrimp, and shellfish), digging and burying the roots about 30 centimeters away to loosen the soil. As peony is resistant to drought and cold, if you do not strictly control the fertilizer, the temperature drops in late autumn and early winter, it will promote budding leaves, will encounter sudden bursts of cold buds will affect the bloom in the coming year. Therefore, the observation of phenology in the management of autumn and winter fertilizer and water is particularly important. Second, clear garden trim In winter, the peony leaves stop growing and the dormancy period is dealt with. The peony of the old strain sleeps about one week earlier than that of the ordinary peony. If there is more rain in the fall, the ground humidity is high, and the dead leaves cover the ground, the garden must be cleaned in time, all the dead leaves must be cleared, and the treatment should be centralized to reduce the number of gray molds in the coming year. Disease, brown spot disease. It is also necessary to clean up the trenches and the drainage system to prevent too much rain and snow in winter, so that the peony can safely pass winter. Must cut off pests, branches, overlapping branches, and branches, thin and thin branches, aging branches, ingrown branches and leggy branches in time, and extend the life span of peony through sparse cutting, short cutting, and stubbing. Allowing Peony to be airy and light-transmitting, it is not easy to breed diseases and insect pests, and it can ensure that the tree vigor is not bad and branches are thick and leafy. Third, turn the soil Into the winter, excavation of the soil layer, so that the topsoil and deep soil exchange, repeated several times so that the soil loose soil air. Remove weeds, eliminate eggs, and apply the remaining organic fertilizers, compound fertilizers, and microbial fertilizers to mix and reuse them to reduce pests and diseases.
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