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How to grow turnips: choose soil, sow seeds, water, nutrients.
1. Select the soil
When choosing a soil, you should choose a soil that is rich in organic matter. Before planting, it is necessary to carry out land preparation and fertilization, so that the soil is loose and the bottom fertilizer is sufficient.
2. Sow seeds
There are four points that need special attention in sowing. First, choose good seeds, remove weeds, and expose them to the sun for 2 to 3 hours. Second, water enough before sowing to keep the soil permeable.
Thirdly, the density of sowing should be moderate, sowing 3 or 4 seeds per hole. Fourth, after the end of sowing, a certain amount of basal fertilizer is applied per mu to cover about two centimeters of fine soil.
3. Moisture
The water requirement of radish is more, and the amount of water is directly proportional to the yield and quality, so it is recommended that everyone balance the water supply according to the characteristics and water demand during the growth period of radish. After heavy rain, it is necessary to drain the water in time, as too much water can easily cause roots, cracked roots or rotten roots. Insist on watering in the hot and dry season, but try to avoid watering at noon, otherwise it is easy to cause young leaves to wilt and fleshy root rot.
4. Nutrition
Radish has great requirements for nutrition, boron deficiency will make the fleshy roots black, bran heart, so in the fleshy root expansion period to increase potassium fertilizer appropriately, after the emergence of seedlings to before the seedlings to the seedlings should be applied according to the actual seedling fertilizer, seedlings grow two true leaves to apply a small amount of fertilizer. After the second seedling, it should be combined with cultivating and weeding for top dressing. After that, according to the appearance of the seedlings, it can be combined with irrigation and fertilization.
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1.Before and after land preparation and fertilization, it is necessary to plough as soon as possible, fully freeze and dry, crush and rake, and apply sufficient base fertilizer. According to the soil conditions, radish varieties can be selected, large varieties with deep soil can be arranged, and the depth of cultivated land should be more than 33 cm; If the soil layer is shallow, you can choose small and medium-sized varieties with shallow soil layer.
The depth of cultivated land is about 25 cm for medium-sized crops and about 15 cm for small-sized farms. Frontier cultivation methods vary depending on the variety, soil quality, topography, and local climatic conditions. Small and medium-sized radishes are cultivated in flat furrows in places with little rain and good drainage, while large radishes must be cultivated in high furrows because of their deep roots and large leaves.
In the Yangtze River Basin, no matter the size of the radish, deep ditches and high furrows are used to facilitate irrigation and drainage. Generally, the bed height is 20-27cm, the bed width is l-2m, the width of the ditch and the time of the seedlings radish seedlings grow rapidly after they are unearthed, and they should be sown in time. The principle is to plant seedlings early, plant seedlings in different time periods, and plant seedlings late.
The seedlings are early, the seedlings are small, and the roots of the seedlings will not be damaged when the seedlings are pulled; Late seedling cultivation can reduce plant losses caused by damage such as insect borers. Earlier than seedlings. In general, thinning seedlings is carried out 2-3 times.
When the first true leaf is present, the first thinning is carried out to remove pests and diseases, pathogens, deformed seedlings and seedlings without the characteristics of the original variety. When there are 2-3 true leaves, perform a second thinning. "Big belly", each hole to select 1 strong seedling with the characteristics of the original variety, that is, the seedling, the rest are all uprooted, 4000-5000 large and medium-sized varieties, 10000 small varieties.
3.Water and fertilizer managementIn the management of fertilizer and water, it is necessary to promote the healthy growth of leaves and absorbent roots in the early stage, so as to lay a material foundation for the expansion of fleshy roots in the later stage. When nutrients grow to a certain extent, they must be controlled to facilitate timely transport of nutrients to the storage organs.
In the period of rapid expansion of fleshy roots, it is necessary to ensure that the leaves have a long life and strong vitality, so as to produce more nutrients and ensure the expansion of fleshy roots. 4.After the seedlings of tillage weeding radish are sown, if the soil is compacted due to rain or watering, it should be cultivated and weeded in time.
For long and dewy varieties, soil should be cultivated at the beginning of growth to support the roots so that they grow upright. After sealing, it is generally no longer cultivated. 5.
Harvest managementDue to the different varieties of radishes and the time of sowing, the time of harvesting is also different. In general, the proper time to harvest is when the fleshy roots are fully expanded. Early harvest with low yields; If it is too late, it is easy to be damaged by frost, abrasion, and puffing, and the quality will be reduced.
Spring sowing spring radish is generally harvested 50-60 days after sowing; Summer radish grows quickly and is harvested 45-60 days after sowing; Harvest radishes 70-100 days after sowing in autumn and winter. If the fleshy roots are mostly exposed on the ground, they should be harvested in time before the first frost to avoid freezing, and the varieties with all the fleshy roots in the soil can be harvested later and the yield is higher. In autumn and winter, large radishes generally yield 3500-4000 kg per mu, high-yield radishes can reach more than 5000 kg, and medium-sized radishes can reach 2500-3000 kg.
Spring radish and summer radish yield of 1000-1500 kg per mu; The yield of radish per mu is 600-1000 catties.
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1. Soil: Prepare loose, fertile, breathable and well-drained soil. 2. Seed selection:
Choose healthy and plump radish seeds and soak them in clean water for 8-12 hours. 3. Planting: Spread the processed seeds into the soil, cover with a thin layer of soil, and water them appropriately.
4. Management: Seven days after the radish is sown, the seedlings can emerge from the left and the right, and the seedlings should be thinned in time after the seedlings emerge, remove the seedlings that are too weak, and weeding regularly.
Growth habits of turnips
Water: radish seedlings after the root system is shallow, less lateral roots, weak drought resistance, need to be watered once every 1 2 days, to keep the soil has enough water, Qi Gao stupid with the growth of the plant, the amount of watering should also be increased, especially in the fleshy root vigorous hypertrophy period to pay more attention to the side of the water.
Fertilization: radish fertilization should be based on base fertilizer, supplemented by top dressing, base fertilizer in addition to human feces, but also should be applied with nitrogen, phosphorus, potassium complete rotting fertilizer, during the growth of human feces and urine 2 times, top dressing should not be too large concentration and close to the root watering, so as not to burn the roots, cause fleshy root rot or hardening.
Temperature: Radish is a semi-cold-tolerant vegetable, the seeds can germinate at 2 3, the appropriate temperature is 20 25, and the seedling stage can tolerate a higher temperature of about 25, and can also tolerate a low temperature of -2 -3.
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Radishes can be grown in all seasons, but it is best to plant them in April-May or August-October. Crops with less fertilizer, more residual organic matter, and no pests and diseases of the same species should be selected for planting radishes.
The first choice of non-polluting plots for planting radishes, on the basis of applying sufficient base fertilizer, stubble and land preparation, and turning 30cm deep in autumn. The land preparation of the stubble planting plot should be carried out immediately after the harvest of the previous crops, remove the residue and weeds, apply 45t hectares of high-quality farmhouse fertilizer, mix with diammonium phosphate or 300 450kg hectares of Hefei as bottom fertilizer for ridges, ridge width 55 60cm, ridge height 25cm.
In order to control underground pests, 50% octathion emulsifiable concentrate hectares are mixed into poisonous soil, and applied in the ditch with the base fertilizer strips. The applied organic fertilizer must be fully decomposed, otherwise it is easy to damage the taproot, form a root and affect the yield.
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1. Soil: When planting radish, you need to choose fertile soil with good drainage. 2. Planting:
Sprinkle radishes into the burrow in groups of 4 and fill them with sand. 3. Temperature: Cover the land with a shade net to maintain the ambient temperature between 3-22 degrees Celsius.
4. Maintenance: After the radish emerges, it is necessary to thin the seedlings and pull out the weeds in time.
1. Sifting the soil
To grow turnips, you need to choose a suitable piece of soil first. The requirement of radish for soil is to have a certain basic fertility, more fertile, and has a loose and porous structure and good drainage and ventilation performance, the most important thing is that the previous stubble can not be planted with cruciferous plants, otherwise it is bad for the growth and development of radish.
2. Sow seeds
The ability of radish seeds to germinate alone is relatively weak, and the germination rate is not high, in order to ensure that radish has sufficient breeding scale and survival rate, it is generally to make many burrows at a certain distance apart on the selected soil, and then fill the soil after putting 4 seeds into each crypt, so that the survival rate can be guaranteed.
3. Control the temperature
Radish is a crop that has a certain cold tolerance and low temperature resistance, but the tolerance to high temperature is relatively poor, so after the sowing is completed, it is necessary to ensure that the ambient temperature around it does not exceed 22 degrees Celsius at the highest and cannot be lower than 3 degrees Celsius at the lowest, so that the radish can grow vigorously and quickly.
4. Weeding between seedlings
Radish sowing after the general 7 days can grow seedlings, the seedlings themselves will be due to nutrients, water and seed quality and other differences and have different growth trends, during the growth period to carry out the seedling work of the seedlings, remove the growth is too weak, thin lodging seedlings, and regularly inspect the field to pull out weeds.
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Radish is generally planted in autumn, and before planting, it is necessary to fertilize the whole and turn the soil to ensure that the soil is loose and has good drainage performance, and the furrow surface should be done. When planting, the germinated seeds are evenly sprinkled on the soil surface, then covered with the upper soil, watered thoroughly, covered with film to retain water and moisture, and increase fertilizer and water management after the new seedlings grow.
1. Land preparation treatment
Turnips are generally planted in autumn when the temperature is more suitable, and the time is from early to mid-August, and they can be harvested after November. Before planting, it is necessary to fertilize the whole and turn the soil completely, so as to ensure that the soil is loose, the drainage performance is good, and the furrow surface should be prepared.
2. Watering and fixing roots
When planting radish, sprinkle the seeds evenly on the surface of the treated soil, then cover the upper soil, water thoroughly to fix the roots, cover the entire planting area with mulching, cover the seeds, and retain water and moisture. In addition, in the rainy season, it is necessary to pay attention to drainage and waterlogging prevention to prevent the roots of radish plants from soaking and rotting, which will affect the growth of plants.
3. Fertilizer and water management
When radish plants grow new leaves, it is necessary to increase fertilizer and water management. In addition, it is necessary to top dressing in stages after the plant maturity period to promote plant growth.
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1. Maintenance method.
1) Soil: When planting radish, choose a loose and deep soil, because the rhizome of radish will be deeper when growing, so the soil should not be too poor.
2) Water: Planting should be watered once a week or so, and radishes have a high demand for water. The abundance of water has a great relationship with the quality of the radish, and it is generally enough to water once in about 10 to 15 days, but the watering should be stopped in the week before the harvest.
3) Nutrients: When the seedlings grow out, fertilizer should be applied once, and the fertilizer is best used in the family: chickens, ducks, jujubes, pig manure, human feces, urine and chemical fertilizers. However, when fertilizing, do not get too close to the roots of the radish seedlings, as too close will burn the roots.
4) Sunlight: Sufficient sunlight will make the radish grow sweet and crisp, so the planting place should be sunny enough.
2. Breeding skills.
1) Pruning: When the radish grows to a certain point, the small weeds in the ground will grow along with the radish seedlings. In order to prevent small weeds from absorbing the nutrients of the radish seedlings, they should be pulled out in time, and the rotten leaves of the radish seedlings should be pruned.
2) Reproduction: Radish is propagated by sowing seeds, which can be sown in four seasons of spring, summer, autumn and winter, and can be harvested in about 45-70 days depending on the variety.
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