Technical points of field management of jasmine in spring
1. Pruning early as appropriate
From late February to mid-March, early pruning (and corresponding field management) can promote jasmine plants to enter the vegetative growth stage earlier, have a certain amount of leaf area coefficient before reaching the temperature suitable for bud gestation (25 ℃), carry out photosynthesis, accumulate more nutrients, and lay a good foundation for high yield and high quality of flower buds.
The height of pruning must be controlled in the height of 20-30 cm, heavy cutting of old plants and light cutting of young plants. For 1-2-year-old or newly planted plants, they should also be cut at about 20 cm from the ground to promote more low branches and create a high-yielding tree potential. When pruning, you should pay attention to cutting off the young branches as well.
Second, thoroughly clear the garden and control diseases and insect pests
There are many diseases and insect pests of jasmine, and its overwintering is mainly caused by the branches and leaves of jasmine. After comprehensive pruning, we should also pay attention to check, cut off the plants with insect mouth or disease spot, and clean the garden thoroughly, sweep all the cut branches, especially dead branches and fallen leaves out of the field, dry and burn them. After fertilizing and cultivating the soil, the stone-sulfur mixture was used for pre-anthesis insecticidal disinfection in an effort to reduce the base number of diseases and insect pests.
III. Re-application of base fertilizer
Base fertilizer should be re-applied immediately after pruning and clearing the garden. The base fertilizer should be based on farm manure, and 1000-1500 kg of pig and cow manure, crop orange stalk and bran cake should be applied per mu, together with appropriate amount of calcium superphosphate and potassium chloride or compound fertilizer. The base fertilizer was applied in a ditch 10-15 cm deep on the border of the flower field. after application, it was combined with clearing the ditch to cultivate the soil and covered with soil.
Fourth, clean up the furrows and do a good job of drainage and irrigation
Jasmine is a crop that likes to run and fear drought and avoid stains. It is necessary for jasmine to grow healthily to keep the field moist. If you encounter dry ditch drainage work after fertilization.
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Management techniques of Jasmine Field in Summer and Autumn
Jasmine is a traditional fragrant flower. Riley is cultivated in the open field in many places, and the flowering period is as long as 5 Mel for 7 months. The main techniques of Jasmine field management are as follows: -, ploughing and weeding. We should often shallow hoe and loosen the soil and weed, create a loose and aerated soil environment for Riley's root system, avoid the dispersion of nutrients and promote its growth and development. Second, reasonable water management. Riley flowers have luxuriant branches and leaves, and the water transpiration is large. The soil should always be kept moist, and the water content in the field during flowering period should be maintained.
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The more dried flowers in jasmine tea, the better the quality?
The real scented tea is made of tea billet (the raw material of scented tea) by scenting flowers. Scenting, that is, the tea billet is dried, cooled, and then put in an appropriate amount of fresh jasmine, stored for a certain period of time, making use of the adsorption of tea to fully absorb the aroma of the flowers, and then sift out the flowers, and then dry the tea, that is, the finished jasmine tea. High-grade jasmine tea should be stewed 3-5 times, or even 7 times. The screened jasmine has no fragrance and is called dried flower or dried flower. High-grade jasmine tea has no dried jasmine, but low-grade ones are mixed with a small amount of dried jasmine in order to look good. This proves
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