First, appropriate early pruning
From late February to mid-March, appropriate early pruning (and corresponding field management) can promote the early entry of jasmine plants into the vegetative growth stage, and have a certain number of leaf area coefficients before reaching the temperature suitable for buds (25 ° C). For photosynthesis, accumulate more nutrients, and lay a good foundation for the high yield and quality of flower buds.
The height of the pruning must be about 20-30 cm in height, and the old plants are heavier and the young plants are lightly cut. For 1-2 year old or new planting plants, it should also be cut short at about 20 cm from the ground to promote more low-lying branches, resulting in high-yield trees. When pruning, care should be taken to cut out the weak branches.
Second, thoroughly clear the park, control pests and diseases
It is harmful to jasmine pests and diseases, and its wintering is mainly the branches and leaves of jasmine. After comprehensive pruning, pay attention to the inspection, and cut off the plants with insects or lesions, and thoroughly clear the garden, sweep all the cut branches, especially the dead branches and fallen leaves, out of the field, and dry them. After fertilizing the soil, a pre-flowering insecticidal disinfection work is carried out with a stone sulfur mixture, and efforts are made to reduce the base of the pest source.
Third, re-application of base fertilizer
After pruning and clearing the garden, the base fertilizer should be reapplied. The base fertilizer should be based on farmyard manure, and 1000-1500 kg of mixed manure, crops, crops, bran, etc. should be applied per mu, with appropriate amount of superphosphate and potassium chloride or compound fertilizer. The base fertilizer is applied in a 10-15 cm deep ditch on the surface of the flower field. After the application, the soil is combined with the clear ditch and covered with soil.
Fourth, clean up the ditch and do a good job of irrigation and drainage
Jasmine is a crop that is moist and afraid of drought, keeping the field moist, which is the need for healthy growth of jasmine. After fertilization, if it encounters dry ditch drainage work.
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