Introduction to the skills of topdressing in the growth process of Eucalyptus
After Eucalyptus planting, slow seedling, in Eucalyptus growth period, must be timely to bud forest topdressing. Compound fertilizer (water-soluble chemical fertilizer) is usually applied once in the first, third and fifth years after transplanting. If economic conditions permit, or in order to promote eucalyptus early maturity, it is best to apply fertilizer once a year. The top dressing varieties are: 18-8-14 or 20-12-14. Topdressing dosage: 0.3~0.5 kg/plant. The method of topdressing is: in the evening before rain or after rain (using night tide to dissolve fertilizer and be absorbed by soil), spread fertilizer 30~50cm away from the trunk, with the increase of age, the distance from the trunk gradually increases. General topdressing period: the first topdressing, in the plant height of about 1 m; the second topdressing, in the plant height of about 5 m, each plant. The third topdressing is applied at about 8 meters of plant height.
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Fertilization technology of eucalyptus
Like light, good wet, drought-resistant, heat-resistant. Afraid of the cold, very sensitive to low temperatures. Some species originated in the tropics and can not withstand low temperatures below 0 degrees Celsius; some species originally grow in warm climates and can withstand temperatures of-10 degrees Celsius. Can grow in all kinds of soil, most species can adapt to both acidic soil and alkaline soil, and the most suitable soil.
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Remedial measures for frozen eucalyptus trees
The main manifestation of freezing injury of eucalyptus is frozen tip, and severe aboveground parts freeze to death. The severity of freezing injury varies according to eucalyptus variety and forest age. Eucalyptus urophylla, Eucalyptus grandis and Eucalyptus Dunn are the more cold-tolerant species of Eucalyptus, while Eucalyptus urophylla and Eucalyptus urophylla have poor cold tolerance. The main anti-freezing technical measures are: 1, slight frost injury (top tip.
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