Peony oil cultivation techniques
Planting options: When planting oil with peony, it is better to choose dry and sunny acidic land, and sandy loam is better. It requires loose soil and good drainage.
Variety Selection: Oil Peony is mainly based on "Feng Dan" varieties with large amount of seeds, high oil yield, wide adaptability and strong growth, and "Purple Spot Peony" can also be selected.
Site preparation: soil deep-turning 40-50 cm, 150-200 kg of Mushi cake fertilizer or 1000-1500 kg of cooked manure, 80 kg of phosphate fertilizer, 40-50 kg of compound fertilizer for the base fertilizer. Mushi phoxim granules 10-15 kilograms and 4-5 kilograms of carbendazim are used as soil bactericidal fungicides. At the same time, closed herbicides are added.
Planting Density: The plant spacing of oil peony is generally 40 cm and 50 cm, ie 3300 plants per mu. With carbendazim, rooting powder, moisturizing agent soak for 5-10 minutes, sticky slurry after planting.
Planting techniques: When planting, use a shovel with a width of 40 cm to insert into the ground. Do not open a gap with a width of 5-10 cm and a depth of 25-30 cm. Put the peony seedlings in the gap so that the rhizome is lower than the ground level. 2- 3 cm, be sure to keep the roots stretched, and then step on the roots to close the soil. After planting, it is sealed into a 10-20 cm high soil band, which is beneficial for heat preservation and moisture retention.
Field management: First, in the depression, the oil peony needs to be diligent in the growing period. It is to eliminate weeds, and secondly, to increase the temperature and protect the crops. Need to be deep before flowering, the depth of up to 3-5 cm, shallow after flowering, depth control in 1-3 cm. The second is top dressing. In the first year after planting peony, it is generally not top-dressing. In the second year, top dressing is performed twice a year. The first time before and after the vernal equinox, 40-50 kilograms of compound fertilizer is applied per acre; the second time before winter, 150-200 kilograms of cake fertilizer and 40-50 kilograms of compound fertilizer are applied per acre. Third, pest and disease control, spraying carbendazim 500 times in mid-February, covering the entire ground when spraying; spraying 3-15 kg of phoxim granules per acre in early March; spraying at the beginning of April 7-10 days before the flowering period Application of 70% thiophanate-methyl 600-800 times; beginning in late May, every 15-20 days, spraying carbendazim or thiophanate-methyl, chlorothalonil and other fungicides 600-800 times liquid. The fourth is watering. The peony is a fleshy root and is not tolerant to water and moisture. It should ensure drainage and dredge, avoid stagnant water, and it should not be watered regularly. However, it is still necessary to water an appropriate amount when it is particularly dry. The fifth is to remove the fallen leaves. After the leaves dry in late October, the leaves should be cleaned in time and burned or buried deeply to reduce the occurrence of diseases and insect pests in the coming year.
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