The trees of maple yuen are beautiful, the leaves are beautiful, the leaves are bright, the leaves are red, after autumn, the leaves are coloured, the red and green are visible, and they are very beautiful, and they are a good tree for the greening of urban and rural areas and for the reforestation of forests. The seedlings of the maple are both high-quality food oil and an efficient, non-toxic and cancer-resistant health oil. Flowers can keep bees, leaves can make tea. It is therefore one of the important ecological and economic species that combines multiple benefits and has very broad development prospects。
1 nursery
1. 1 seed collection and storage
Choosing a healthy adult plant free of disease and pests, picking it up when it turns yellow in october and leaves it dry, drying it up in the air, removing the wings and impurities, drying it up, or sanding it up。
1. 2 land selection
The nursery land shall be chosen for the sandy land, which is flat, easy to transport, well-lighted, deep, fertile and well drained. It is appropriate to take neutral soil and to avoid heavy ground。
1. 3 land cleaning
1. 3. 1 fertilizing the ground. Equal application of decomposed organic fertilizers 7. 5 t/hm 2, compound fertilizer 750 kg/hm 2, iron sulfate 45~60 kg/hm 2, to the soil. Deep tillage is smoothed and drains and irrigation canals are dug and roads set aside。
1. 3. 2 dinosaurs. 1 high bed. This applies to areas with higher groundwater tables or higher precipitation. The bed is 15-20 cm tall, the bed is 80 cm wide, the bottom 100 cm wide and the walkway 30 cm wide. 2 beds. For areas with low groundwater tables or low rainfall. The bed is 1. 2 m wide and 15 cm tall. The length depends on the terrain。
1. 4 dynamite
1. 4. 1 the seed seed seed sprouts from sand. Before planting, 7-10 d takes sand seeds and places them in the flats of the back wind, spreads sand during the day, approximately 10 cm thick, covers plastic membranes soaks, flips 1-2 times, sprays water in time for water shortages, piles sands at night and covers grass or weeds. You can sow the seeds when there's almost 30 percent of the cracks。
1. 4. 2 dry seed seed sprouts. Around a week before seeding, seeds are placed in warm water of 45 °c, naturally cooled, immersed 24 h, then recovered, placed in an impermeable container, placed indoors, covered with straw curtains, and washed with water every morning and every night. Seeds can be sowed when they are 30% or so。
1. 5 seeding
The fall is mid-november; spring is late march until early april. The seedage was 225~300 kg/hm2. On the autumn show, using a ditch at a distance of 3 to 4 cm at 30 cm, the dried seeds are evenly distributed into a boulder of 2 to 3 cm tall, mid-april of the following year. When you press 30 cm rows deep at 2-3 cm, you sow the seeds of the sprouts and water them. And when the water dipped, it covered the earth, and crushed it。
1. 6 shrimp management
1. 6. 1 irrigation. When the face is slightly white, water is sprayed in time. When the seedlings come out, the water is watered. After a height of 5 cm, when the soil contains less than 60% water, irrigation is timely。
1. 6. 2 a seedling. When a seedling grows to 5 ~6 cm high, it should take 2 ~3 times a year at a distance of about 15 cm. Keep 15. 0 ~225,000 / hm2。
1. 6. 3 pine soil weeding. Weed removal is done in a timely manner, in accordance with the principles of “early, small and minor”. Usually combined with weeding, pine soil after rainfall or irrigation and when soil sheeting takes place, the depth of the pine soil is based on the principle of non-harming tree roots。
1. 6. 4 fat pursuit. At 20-30 cm height, urea is applied in the ditch 150 ~ 300 kg/hm 2, and water is applied in time. Enter to stop the application of nitrogen fertilizer in august and spray 0. 5% of potassium phosphate every 10 d, three times。
1. 6. 5 disease prevention and treatment. When young seedlings grow 2 to 4 leaves, 80 per cent of the manganese manganese wettable powder 1,000 times the liquid spray has been used to prevent lumber-down and stand-down diseases, which are sprayed once every 10 d and three times。
2 out
2. 1 time
When leaves fall, they reach the bed before they sprout and 10 d before they rise. When the seedlings rise, the roots are intact。
2. 2 levels
The tree classification is shown in table 1。
Table 1
2. 3 packaging transport
In accordance with the specifications of the seedlings, each year the seedlings are usually bundled with labels per 50 or so. Local plantations are planted as and when they take place; trees are transported outside of the country with their roots packed with wetting materials, covered with canvass and severe weather protection。
3 shigeki cultivation
3. 1 porting
In mid-march, a primary seedling transplant was selected to dig a den with a range of 1 m x 1 m in the transplant bed, with a density specification of 0. 5 m x 0. 5 m x 0. 4 m. The seedlings should be dry and vertical, with roots stretching, slightly deeper than the original soil, and then the seedlings should step on the ground after 1/2 of the soil, and eventually cover the soil and plant the water in time. In mid-april, the seedlings were inspected and replaced in a timely manner。
3. 2 management
3. 2. 1 cutting. After planting, 40 cm is set to dry to the right and left, and when the new stairwell grows to 15-20 cm, the cut-in-the-scrubber branch is chosen as the main extension branch, competing for the heavy weight of the branch and keeping the rest of the small branch。
Two years later, the main competition branch and the lower branch were cut off for long periods of time; the hibernation period was about 1/2 tree height. When the branch reaches 2. 5 ~ 3. 0 m, it is mainly a canopy that is trimmed, with the greening of the garden as required. 2 cm diameter above the cut with vaslin oil。
3. 2. 2 field management. Following transplantation, water is poured into the water, and when it leaks, the concrete pits are sealed in a timely manner; each irrigation is ploughed in a timely manner. In march of the second year 0. 1 kg of compound fertilizers per plant increased every year thereafter。
3. 2. 3 secondary transplants. The chest > 6 cm is used for gardening and for the development of a larger range of seedlings to separate the transplant。
3. 3 shrimp
The seedlings during hibernation are free of earthballs, which are 10 times the size of their chest length; they are born long-term with earthballs bound by straw ropes; they are 8-10 times the size of their chest; and they are 2/3 of their diameter. The seedlings should ensure that the roots are intact and free of mechanical damage. The wound of the branch, 1 cm in diameter above, is painted with varnish. When handling vehicles are carried out, new mechanical damage or earthballs are avoided。
Afforestation
4. 1 selection of afforestation land
Afforestation land requires the selection of soil thickness above 60 cm, ph value of 6. 0 ~ 7. 5, groundwater table below 1. 0 m, salt content below 0. 2%, and land at sea altitude of 400 ~ 1,500 m and sandy soil。
4. 2 mountain afforestation
A pure forest is constructed on the basis of the terrain, or mixed with a wide range of pin tree species, such as abdomen, yellow beaks, yang trees, jabs, yellow lumbers, oil pines and plumes. The initial line spacing is 2 mx3 m. The size of the puddle is generally 60 cm x 60 cm x 50 cm, and the outer height is low in reverse. Trees are defined as i-grade seedlings or ii-grade seedlings per year。
4. 3 forest greening
The greening model is one-way, multi-line, one-sided, one-sided and one-sided. Pure forest length is 6 mx4 m. Line spacing with mixed tree species is 3 m. The specification of the plant is not less than 100 cm x 100 cm x 70 cm. The tree is defined as a 6 cm chest diameter above dry, half-cap or full-cap quality sap。
4. 4 cultivation
When the soil is unfrozen in the spring, it can also be planted at any time after the fall of the leaves until the germinate. The method of planting shall be as specified in 3. 1. Mountain plantations may be used as water-conserving agents, and cover the cave with film or hay. Care management shall conform to the provisions of gb/t 15776。
