The eucalyptus and eucalyptus eucalyptus are distributed in North China, Northeast China, Northwest China, Southwest China, and East China. Deciduous trees, the spring leaves are mostly red, into the autumn leaves turned yellow, very beautiful, summer flowering, full of golden trees, autumn fruit like a lantern, skin reddish-brown or orange, beautiful and magnificent, very spectacular. It should be suitable for Tingyin trees, street trees, and landscape trees. It can also be used as a shelter forest, water and soil conservation and afforestation of barren hills. Its wood is brittle, easy to process, and can be used as sheet material and utensils. Ye can extract tannin extract, flower can be used as a yellow dye, seeds can be extracted oil, soap and lubricating oil. Eucalyptus is adaptable and easy to cultivate. The use of container nursery can greatly increase the survival rate of afforestation.
First, the preparation of seedlings: eucalyptus to plant seedlings.
1. Seed collection: The eucalyptus fruit ripens from September to October. The well-selected plants were well-grown, dry and straight, with open crowns and full fruit. The excellent single plants in the early age stage were used as seed collection mother trees, and collected in time when the fruits were reddish-brown or orange and the capsules had not yet cracked.
2. Fruit processing: After the fruit is collected, it should be promptly sun-dried or spread dry. After the fruit cracks, beat the threshing and use the screening method to net seed.
3. Seed germination: The seed coat of eucalyptus seeds is hard and hard to permeate. If it is not sown in the spring of the second year, it often does not germinate or the germination rate is very low. Stratification accelerating method is used in production. Choose indoor areas that are not dry, ventilated or directly exposed to direct sunlight (in winter, drought in the northern regions may also occur in open pits), and layer or mix seed and three times moist media such as sand, sawdust, peat, etc. By hand can be made into a group; spread the hand that is scattered degrees), stacking height 50cm to 60cm, in the stratification bed per square meter; put a bunch of aeration grass target. At ordinary times, the room temperature is controlled between 1°C and 10°C. At the same time, it must be checked to prevent the seed from getting too wet, heating, and mildew. Seeds can be sown when exposed to whiteness for 100 days to 120 days (upright spring). After the seedlings accumulate, the seedlings are short and neat and have good results.
4. Seeding: Daejeon nursery. The sowing place must have loose soil and air permeability, good water retention and drainage performance, certain fertility, and no underground pests and pathogens. The land preparation must be smooth and fine, and the bottom water should be well-watered before sowing in the drought-sparing areas. The germination rate of eucalyptus seeds is low, and the amount of seeds used should be large, generally about 100g per square meter. The use of broad-spectrum seeding is not only beneficial to the ventilation of young seedlings, but also easy to manage. After the seeds are sown, a layer of loose finely divided soil of 1cm to 2cm in thickness is applied to prevent the seeds from drying and losing water or be harmed by birds and beasts. Then, it is covered with grass, straw and other materials to increase the temperature of the soil, maintain the soil moisture, and prevent the growth of weeds and soil compaction. After most of the seedlings are unearthed, the coverings are removed in batches.
5. Shade: After the cover is removed, cover it in time. Shade time and shading degree should be determined according to the local temperature and climatic conditions at that time to ensure that their seedlings are not affected by sunburn until they receive full light to increase the degree of lignification of the seedlings.
6. Seedlings, make-up seedlings: when the seedlings grow to three leaves, stay small, stay good, stay thin and thin, ensure sufficient light, and perform well in rainy days. Combined with the seedlings, the seedlings were treated with seedlings to ensure uniform seedling distribution. Strengthen field management, pay attention to pest control, and appropriate seedlings. When the height of seedlings reaches 8~10cm, they can be loaded with seedlings.
2. Container-loaded seedlings: When the seedlings are about 10cm, the roots are also about 10~15cm, and the lignification of the seedlings is relatively increased. At this time, the seedlings can be organized.
1. Container selection: Select a biodegradable plastic bag with a diameter of 10cm and a height of 15cm.
2. Plot selection: Choose the plot near the nursery (preferably on the side, take the seedlings after the seedlings can also be), the soil should also be loose and breathable, good water retention and drainage performance, with a certain fertility, no underground Pests and germs, and there must be some sensation.
3. Land consolidation: remove foreign matter on the ground, make 畦 40~60cm wide, apply about 60g of diammonium phosphate per square meter in the pot, turn the topsoil around 15cm and turn it evenly (if there are many foreign substances, it will be sieved), Finish 50cm wide place operation.
4. Raise the seedlings: Select cloudy weather or the sun is not strong weather, about 15cm from the bottom of the seedlings with a shovel to lift the seedlings, try to keep the root system intact.
5. Selection of seedlings: should be selected no pests and diseases, there are apical buds of the seedlings, the long roots and the roots of the pruning.
6. Preserving the seedlings: Put the seedlings in a nutrition bag so that the original foundation and the bag are flat and not rooted. Adjust the seedlings in the middle of the bag to tightly install the seedlings.
7. Frying seedling requirements: The bottom should be flattened, the nutrition bag should be tight, and the bag should be high and flat.
8. Seedling management: After being packed, use a small amount of water to drench the soil. If the seedlings fall down, immediately help them fill in the soil in the bag. Use shading nets to shade to increase the survival rate. When the seedlings are alive, remove the net in time and remove the bags. Weeds, strengthen pest control.
Third, the garden: After container seedlings for a long period of time, the degree of lignification of seedlings is relatively high, the root development is relatively complete, the rainy season or autumn can be transplanted. Do not water for a few days before transplanting. Lift the seedlings from under the bag side of the bag shovel to keep the integrity of the bag, transport seedlings to select professional transport tools to prevent damage to the nutritional bag.
First, the preparation of seedlings: eucalyptus to plant seedlings.
1. Seed collection: The eucalyptus fruit ripens from September to October. The well-selected plants were well-grown, dry and straight, with open crowns and full fruit. The excellent single plants in the early age stage were used as seed collection mother trees, and collected in time when the fruits were reddish-brown or orange and the capsules had not yet cracked.
2. Fruit processing: After the fruit is collected, it should be promptly sun-dried or spread dry. After the fruit cracks, beat the threshing and use the screening method to net seed.
3. Seed germination: The seed coat of eucalyptus seeds is hard and hard to permeate. If it is not sown in the spring of the second year, it often does not germinate or the germination rate is very low. Stratification accelerating method is used in production. Choose indoor areas that are not dry, ventilated or directly exposed to direct sunlight (in winter, drought in the northern regions may also occur in open pits), and layer or mix seed and three times moist media such as sand, sawdust, peat, etc. By hand can be made into a group; spread the hand that is scattered degrees), stacking height 50cm to 60cm, in the stratification bed per square meter; put a bunch of aeration grass target. At ordinary times, the room temperature is controlled between 1°C and 10°C. At the same time, it must be checked to prevent the seed from getting too wet, heating, and mildew. Seeds can be sown when exposed to whiteness for 100 days to 120 days (upright spring). After the seedlings accumulate, the seedlings are short and neat and have good results.
4. Seeding: Daejeon nursery. The sowing place must have loose soil and air permeability, good water retention and drainage performance, certain fertility, and no underground pests and pathogens. The land preparation must be smooth and fine, and the bottom water should be well-watered before sowing in the drought-sparing areas. The germination rate of eucalyptus seeds is low, and the amount of seeds used should be large, generally about 100g per square meter. The use of broad-spectrum seeding is not only beneficial to the ventilation of young seedlings, but also easy to manage. After the seeds are sown, a layer of loose finely divided soil of 1cm to 2cm in thickness is applied to prevent the seeds from drying and losing water or be harmed by birds and beasts. Then, it is covered with grass, straw and other materials to increase the temperature of the soil, maintain the soil moisture, and prevent the growth of weeds and soil compaction. After most of the seedlings are unearthed, the coverings are removed in batches.
5. Shade: After the cover is removed, cover it in time. Shade time and shading degree should be determined according to the local temperature and climatic conditions at that time to ensure that their seedlings are not affected by sunburn until they receive full light to increase the degree of lignification of the seedlings.
6. Seedlings, make-up seedlings: when the seedlings grow to three leaves, stay small, stay good, stay thin and thin, ensure sufficient light, and perform well in rainy days. Combined with the seedlings, the seedlings were treated with seedlings to ensure uniform seedling distribution. Strengthen field management, pay attention to pest control, and appropriate seedlings. When the height of seedlings reaches 8~10cm, they can be loaded with seedlings.
2. Container-loaded seedlings: When the seedlings are about 10cm, the roots are also about 10~15cm, and the lignification of the seedlings is relatively increased. At this time, the seedlings can be organized.
1. Container selection: Select a biodegradable plastic bag with a diameter of 10cm and a height of 15cm.
2. Plot selection: Choose the plot near the nursery (preferably on the side, take the seedlings after the seedlings can also be), the soil should also be loose and breathable, good water retention and drainage performance, with a certain fertility, no underground Pests and germs, and there must be some sensation.
3. Land consolidation: remove foreign matter on the ground, make 畦 40~60cm wide, apply about 60g of diammonium phosphate per square meter in the pot, turn the topsoil around 15cm and turn it evenly (if there are many foreign substances, it will be sieved), Finish 50cm wide place operation.
4. Raise the seedlings: Select cloudy weather or the sun is not strong weather, about 15cm from the bottom of the seedlings with a shovel to lift the seedlings, try to keep the root system intact.
5. Selection of seedlings: should be selected no pests and diseases, there are apical buds of the seedlings, the long roots and the roots of the pruning.
6. Preserving the seedlings: Put the seedlings in a nutrition bag so that the original foundation and the bag are flat and not rooted. Adjust the seedlings in the middle of the bag to tightly install the seedlings.
7. Frying seedling requirements: The bottom should be flattened, the nutrition bag should be tight, and the bag should be high and flat.
8. Seedling management: After being packed, use a small amount of water to drench the soil. If the seedlings fall down, immediately help them fill in the soil in the bag. Use shading nets to shade to increase the survival rate. When the seedlings are alive, remove the net in time and remove the bags. Weeds, strengthen pest control.
Third, the garden: After container seedlings for a long period of time, the degree of lignification of seedlings is relatively high, the root development is relatively complete, the rainy season or autumn can be transplanted. Do not water for a few days before transplanting. Lift the seedlings from under the bag side of the bag shovel to keep the integrity of the bag, transport seedlings to select professional transport tools to prevent damage to the nutritional bag.
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