Field cultivation techniques of sausage trees

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1. Selection and Site Preparation

The nursery sites were selected on a gentle slope with sufficient water, well-drained and shaded conditions, and they could be nursed under a sparse forest with nitrogen-fixing mycorrhiza. 10cm14cm black film bag seedlings were used. The substrate was mixed with 80% yellow heart soil and 20% fire soil to prevent seedling diseases. The substrate was disinfected with quicklime before loading the seedling bag, and 5g/L potassium permanganate solution was used before sowing. Disinfect the seedbed. Planting land was selected for soil fertility, no accumulation of water, convenient drainage and irrigation, and sunny leeward sandy land. The hole was opened with a spacing of 2m2m. The length, width and depth of the planting hole were 50cm50cm40cm. Each hole was used to compost 5-10kg of manure and mixed with topsoil as base fertilizer.

2. Seedling propagation

The sausage tree is multiplied with seeds. Seeds of sausage seeds are hard and dense, and seeds are difficult to absorb. Before sowing, the seeds were treated with concentrated sulfuric acid for 10 minutes, then rinsed with clean water, soaked for another 24 hours, picked up and placed in pots, or soaked in warm water at 60-80°C for 48 hours. After germination, timely sowing, on demand, the first substrate leaching water, and then play a hole in the middle of the substrate, the hole is slightly larger than the seed, deep 2 ~ 3cm, the seeds into the hole, the root direction down, covering the earth 2 ~ 3cm After the seeds are sown, bamboo arches are used to cover the plastic film to keep it warm, moisturize, and prevent rainwater from scouring and prevent drying of the substrate. Keep the substrate and seeds moist.

3. Seedling management

When the seeds grow small buds, the plastic film is removed and replaced with a 50% shading net, which is conducive to ventilation, ventilation and light transmission, and pay attention to watering, in order to protect the normal growth of seedlings. When the seedlings grow 1-2 pairs of leaves, shading nets are removed and grown under natural forestland lighting conditions. Seedlings grow after the true leaves, according to the growth of seedlings, weekly use of 5g / L of the compound fertilizer solution once fertilization, fertilization time should be carried out in the morning, then wash the seedlings in the afternoon. When the seedlings grow until they are to be transplanted, fertilization stops.

4. Planting and post-planting management

When the seedlings grow to 50cm in height, they should be transplanted and planted in time. Planting is best in the rainy days, seedlings planted straight, after the cover soil gently upwards, so that the roots stretch, practical, filling should be slightly higher than the ground, to prevent accumulation of water, sunny day should be poured enough water. One year after planting, pay attention to loose soil and weeding; general sapling height above 1m, management can be more extensive, pruning once after flowering each year, should not be pruned in spring; after harvesting adult trees, it is necessary to strengthen fertilization to promote the growth of new shoots and new shoots.

5. Pest control

Sausages are vulnerable to larvae of the Catopsilia pomona Fabricius.

Prevention and control method 1 Combined with tree conservation management, timely removal of worm leaves and lice. 2 Protect natural enemies such as black ants, crickets, spiders, parasitic bees, and birds. 3 In severe cases from May to June, spray 80% trichlorfon 800 times or

2.5% of the enemy killed milk 2000 ~ 3000 times better control effect.

6. Harvesting and Processing

The mature fruit is harvested in the autumn and dried in the sun; the bark, roots, stems and leaves are used with the mining.

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