First, the first year of jujube seedlings breeding
1. Preparation before planting 1 Land selection Choose light soil or loam with deep soil layer, medium and high fertility, medium and high organic matter content, light saline soil, good soil moisture, and good soil moisture retention. The soil quality should be uniform and the salt spot area should be less than 1%. smooth.
2 Application of 667 square meters before the fertilizer is applied to 4 m3 of high-quality farmhouse fertilizer, 100 kg of oil cake, 20 kg of 3 kg, and 15 kg of diammonium.
3 Irrigation and alkali treatment In the middle and late October, the winter irrigation before cultivation, 667 square meters of filling 100 to 150 cubic meters, so that the total soil salt content of 0.35% or less.
4 Seed Preparation Choux-jujube seeds with full kernels, deep red-brown appearance, impurities less than 10%, germination rate above 80%, and purity above 95% were selected.
5 Planting methods were planted using the “dwarf, dense, early, and uniform†wide-film cotton planting technology. Land treatment and filming methods were the same as those for cotton sowing. Row spacing 30+60+30 cm, spacing 10 cm. The width of the line is set to 60 cm, which is convenient for later wiping buds, toppings, and scribbles. After mechanical filming, artificial on-demand is used.
6 Reasonably dense planting of jujube needs higher temperature, buds germinate one month later than other deciduous fruit trees, with small leaves, sparse foliage, good ventilation and light transmission, and favorable for dense planting. There are 10,000 seedlings.
2. Sowing method 1 Sowing period The best sowing date in Korla is April 15-20.
2 Seed treatment After the sowing date was determined, the seeds were germinated 2 to 3 days in advance. 667 square meters with species of 3.5 to 4 kg. Soak the seed with warm water of 60-70°C for 8-10 hours, empty the empty seed, heat the water for 2-3 hours, increase the water temperature to 30-40°C, break the seed dormancy, make the seeds fully absorb enough water, and then drain out. Dry water, spread on wet sacks, covered with wet sacks and placed on the Chaoyang surface. Spray twice daily with warm water to keep the sacks safe from water.
3 Seeding quality When the seeds are bare white, the seeds are sown within 2 to 3 days. The artificial seeding is planted by mechanically drilled holes. The seeding depth is 2 to 3 cm. Each hole is sown with 4 to 5 seeds. After the sowing, the hole is covered with wet soil. Prevent running.
3. Post-broadcasting management 1 Seeds germination after 7 days of sowing and seedling sowing, seedlings and ridges at the replenishing seedlings, ensuring the number of basic seedlings and keeping the growth potential consistent.
2 After cultivating, timely cultivating, the depth of 15 to 18 cm, the second cultivator in mid-May, the depth of 22 to 25 cm, increase the temperature, prompting rapid growth of seedling root system.
3 Seedlings In late May, when the seedlings grow to 5-8 centimeters, they will be seedlings, leaving 1 seedling per hole, and avoid damaging the roots of the seedlings when they are seedlings.
1. Preparation before planting 1 Land selection Choose light soil or loam with deep soil layer, medium and high fertility, medium and high organic matter content, light saline soil, good soil moisture, and good soil moisture retention. The soil quality should be uniform and the salt spot area should be less than 1%. smooth.
2 Application of 667 square meters before the fertilizer is applied to 4 m3 of high-quality farmhouse fertilizer, 100 kg of oil cake, 20 kg of 3 kg, and 15 kg of diammonium.
3 Irrigation and alkali treatment In the middle and late October, the winter irrigation before cultivation, 667 square meters of filling 100 to 150 cubic meters, so that the total soil salt content of 0.35% or less.
4 Seed Preparation Choux-jujube seeds with full kernels, deep red-brown appearance, impurities less than 10%, germination rate above 80%, and purity above 95% were selected.
5 Planting methods were planted using the “dwarf, dense, early, and uniform†wide-film cotton planting technology. Land treatment and filming methods were the same as those for cotton sowing. Row spacing 30+60+30 cm, spacing 10 cm. The width of the line is set to 60 cm, which is convenient for later wiping buds, toppings, and scribbles. After mechanical filming, artificial on-demand is used.
6 Reasonably dense planting of jujube needs higher temperature, buds germinate one month later than other deciduous fruit trees, with small leaves, sparse foliage, good ventilation and light transmission, and favorable for dense planting. There are 10,000 seedlings.
2. Sowing method 1 Sowing period The best sowing date in Korla is April 15-20.
2 Seed treatment After the sowing date was determined, the seeds were germinated 2 to 3 days in advance. 667 square meters with species of 3.5 to 4 kg. Soak the seed with warm water of 60-70°C for 8-10 hours, empty the empty seed, heat the water for 2-3 hours, increase the water temperature to 30-40°C, break the seed dormancy, make the seeds fully absorb enough water, and then drain out. Dry water, spread on wet sacks, covered with wet sacks and placed on the Chaoyang surface. Spray twice daily with warm water to keep the sacks safe from water.
3 Seeding quality When the seeds are bare white, the seeds are sown within 2 to 3 days. The artificial seeding is planted by mechanically drilled holes. The seeding depth is 2 to 3 cm. Each hole is sown with 4 to 5 seeds. After the sowing, the hole is covered with wet soil. Prevent running.
3. Post-broadcasting management 1 Seeds germination after 7 days of sowing and seedling sowing, seedlings and ridges at the replenishing seedlings, ensuring the number of basic seedlings and keeping the growth potential consistent.
2 After cultivating, timely cultivating, the depth of 15 to 18 cm, the second cultivator in mid-May, the depth of 22 to 25 cm, increase the temperature, prompting rapid growth of seedling root system.
3 Seedlings In late May, when the seedlings grow to 5-8 centimeters, they will be seedlings, leaving 1 seedling per hole, and avoid damaging the roots of the seedlings when they are seedlings.
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