LY/T 1888-2010Technical regulations of cutting propagation for eucalyptus urophylla (English PDF)

4.1 Selection

The planning and construction of picking hoes shall be carried out in accordance with GB/T 6001. You should choose convenient transportation, flat terrain or gentle slope, close to Qing Clean water source, well-drained place; avoid low-lying water. The soil is preferably fertile and moist sandy loam, loam or light clay.

4.2 Preparation for bed

The seedbed requires comprehensive deep ploughing, fine soil preparation, uniform soiling, and removal of grass roots and stones. When the soil is prepared, the fermented organic fertilizer is applied, and the amount of fertilizer applied is 4500kg/hm2~6000kg/hm2, layered and distributed evenly. When making a bed, the bed surface needs to be flat, and the bed size is 100cm~120cm.

It is 15cm to 25cm high and 40cm wide. The soil was disinfected before planting and sprayed on the bed with 0.3% to 0.5% potassium permanganate.

The acidic soil can be uniformly applied by combining quicklime and ploughing, and the dosage is 2500kg/hm2 to 3000kg/hm2.

4.3 Source of materials for the seedling plants

The seedling plants should adopt the excellent cloned tissue culture seedlings that have been examined or confirmed, and the seedling height is 8cm~15cm. It is forbidden to use cuttings.

4.4 Planting

Planting time is summer, should be selected early, late or rainy days. Planting plant spacing 25cm × 25cm or 25cm × 30cm, planting the depth is the rhizome of the plant, and it is drenched in time after planting.

4.5 Plastic trimming

Plants are planted for about 15 days, and after harvesting, they are topped, or cut at 4cm to 6cm of 2 to 3 pairs of true leaves;

Cut off long branches, mechanical damage branches, and weak lateral branches. After the first shoots were cut from the main shoot for 10d to 12d, the sprouts of the plant stayed piles grew to