How to plant patchouli seeds
Patchouli has the medicinal effect of aromatic turbid, stopping vomiting and relieving summer summer. the cultivation value is very high, and many people are planting patchouli. Let's take a look at how to plant patchouli seeds.
1. Soil preparation and sowing
Huoxiang seedling bed to choose drainage and irrigation, convenient management, fertility of loam or sandy loam land, combined with ploughing and application of rotten manure 22.5 tons / ha as base fertilizer. Then open the trench and knock the fine soil into a tortoise back-shaped seedbed 1.5 meters wide, wet the border surface with mature human feces and urine of 7.5 tons per hectare, spread the seeds with fine sand or plant ash evenly on the border surface, cover about 1 cm thick with fine mud: plant ash = 1 / 0.5, and finally put bamboo or twigs on the border surface with a small arch covered with a thin film for heat preservation. Generally, Honda needs a seedbed of 120 to 150 square meters and seeds of 2.25 to 2.7 kilograms per hectare.
Second, temperature
After sowing, the temperature of patchouli seeds was maintained at 20: 25 ℃ and emerged at 10: 15 days, and when the emergence rate reached 70%, the film was removed and the suitable growth temperature was 18: 25 ℃. When the seedling height was 12 cm and the main stem had 5 pairs of leaves, the leaf axils at the base began to branch. After June, the temperature increased and the rainy season came, patchouli entered the vigorous growth period.
III. Water and fertilizer
The stems and leaves of patchouli are used for medicinal purposes, and it is better to apply fertilizer with "total fertilizer" (including nitrogen, phosphorus, potassium), such as human and animal feces, cruller and so on. After the first topdressing, 1.5 kg of dilute human and animal manure per square meter was applied after loosening the soil, and then when the seedling height was 7 cm 10 cm, 15 cm 20 cm and 25 cm 30 cm, respectively, after ploughing and weeding, 1500 kg of mature human manure water per mu or 10 kg / mu of diammonium phosphate per mu should be applied, and no more topdressing after ridge closure.
Fourth, weeding
Huoxiang seedlings 3 cm high and time to densify the seedlings, so that the vegetative area of the seedlings is 4 square centimeters, or divide the seedlings, the distance between the seedlings is 6-8 cm. There are 3 to 4 plants of patchouli planted in each hole, and the seedlings can be planted according to the distance between 10 and 12 cm, and the seedlings can be staggered in two rows. Lack of seedlings should be replanted in cloudy days, and then irrigated with thin human and animal dung water after planting to facilitate survival. There were 2 times of weeding and weeding 2 times before the first harvest, respectively, when the seedling height was 3 cm, 12 cm and 21 cm, respectively. When the seedling is 25cm high and 30cm high, after the second harvest, cultivate the soil and protect the root by 6cm.
The sowing and planting method of patchouli is relatively simple, the dry aboveground part of the plant can be used as medicine, and the planting value is also very high.
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