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Peony cultivation

Cultivation Techniques

Peony cultivation

1. Site preparation
Generally, the hillsides and flat lands with warm climates are selected. At the same time, the drainage is good and the sun is good. The soil layers are deep, fertile, and humus-rich loam or sandy loam. Before planting and sowing, intensive cultivation is required, deep turning, 30 to 60 cm in depth, removing grass roots and stones, and applying a certain amount of basal fertilizer, applying 3000 to 4000 kg of compost or compost per acre, raking, making hoe, width 130 to 230 cm. If the rain is too much and the drainage is not good, the width of the grate can be reduced to about 100 cm, and a drainage trench of about 30 cm is dug between the grate.
2. Reproduction method
(1) Rooting
When harvesting, choose a large, non-hollow, disease- and pest-free bud disc from the root, cut it into several pieces according to its natural growth shape, and each piece has 2 to 4 buds for seed use. A 2 cm long head is left under the palate for growth. Generally, 1 mu of loquat buds are harvested and can be planted for 3 to 4 mu. It is best to cut and plant as soon as possible. If it cannot be planted in time, it should be stored temporarily. You can choose a cool, dry and ventilated place in the room, lay a layer of wet fine sand on the ground, pile the buds up, and then cover the wet sand. It can also be dug outdoors for storage. Pay attention to drainage to prevent mildew. Paeonia lactiflora is planted from August to October, and the roots of the paeonia lactiflora have developed new roots too late, which is easy to damage when planted and affect the growth of the following year. It is planted according to the size of loquat buds, which is easy to manage. The row spacing is 50 cm, the plant spacing is 30 cm, and the density is 4000-4500 per acre. Using hole planting, 1-2 bud heads are placed in each hole, and the depth of burial is preferably 3-6 cm. The soil is covered with smoked soil and manure, covered with fine soil and piled into small buns to facilitate wintering. Around the beginning of March of the following year, the sprouts were flat before germination.
(2) Seed propagation
Single-lobed peony is much stronger. Seeds mature in early to mid-August, when the pods are slightly cracked, they are picked in time, sowing and sowing, or mixed with wet sand for storage until mid-September sowing. For sowing, the sowing is 120 cm wide, the rowing distance is 40 cm, the depth is 6 to 7 cm, and the soil is covered after sowing. Hole sowing, the distance between the holes is 20 ~ 30 cm, 4 ~ 5 grains per hole. After sowing, the soil should be covered with wet soil, and then the soil should be 6-8 cm thick, solid and watered. Before and after Qingming, plan the cover and check the germination of the seeds. If it has germinated, plan and remove the cover and cover the fine soil. The seedlings can be unearthed in about April. Planting is performed when the seedlings are 2 or 3 years old. Due to seed propagation, the growth cycle is long, and there are fewer production applications.
(3) Root cutting propagation
When the roots are divided in autumn, the collected peony roots are cut into small pieces of 5 to 10 cm long, inserted into the flat ground, 10 to 15 cm deep, and watered once. Care should be taken to keep the soil moist to facilitate rooting.
3. Field management
Watering and drainage: Paeonia lactiflora is drought-ridden, and generally does not require irrigation. If there is severe drought, it should be irrigated once in the evening. In rainy seasons, the ditch should be cleared in time to prevent rotten roots.
Weeding and fertilizing: Early in the spring, we should loosen the soil and protect the soil, and weeding and weeding 4 to 6 times a year after emergence. Cultivation should be shallow, so as not to hurt the roots and die. In late October, before the ground freezes, cut off the leaves and leaves 7-10 cm from the ground, and cultivate the soil about 15 cm in the rhizosphere to facilitate wintering. At the same time, fertilization of the planted paeonia began to be fertilized from the second year, and the first time was applied from late March to late April; the second time in late April, 500 kg per person of manure and urine was applied; From October to November three times, it mainly used pen fertilizer, 1500-2000 kg per mu. In the third year of March, 750 kilograms of manure and urine were applied per mu, 50 kilograms of cooked cake fertilizer and 25 kilograms of calcium phosphate; 1,000 kilograms of manure and urine were applied per mu in late April; and 1500 to 2000 kilograms of manure per mu were applied in November. Fertilize twice before harvest in the fourth year. In late March, apply 1000 kg of manure and urine per acre, add 10 kg of ammonium sulfate, and 25 kg of superphosphate. In late April, apply the same amount of fertilizer as above except for phosphate fertilizer. Each time the fertilizer is applied, it is advisable to apply furrows on both sides of the plant.
Bud picking: In order to concentrate nutrients for root growth, the buds should be removed in time every spring when budding occurs. Picking should be done on a sunny day and in the absence of dew.

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