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Tomato production time: february-may spring, july-september autumn winter, november-february winter. Plantation techniques: soil cultivation with deep soil depths, well-drained and ventilated soil should be selected, with high-quality seeds selected for leaching seedlings, so that seedlings can grow as long as they grow to three real leaves, planting density should be reasonably planned, weeding should be carried out in a timely manner, scientific fertilization should be applied and a frame should be put in place。
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I. Conditions and timing of cultivation
1. Rational selection: the choice is to grow in areas such as good drainage and irrigation, deep earth cover, good ventilation, and no fruit and fruit vegetables in three years。
2 timing of planting: general spring tomatoes in february-may, autumn winter in july-september and winter spring in november-february。
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Ii. Selection of seed seed
1. Selection: selection of high-yielding, durable transport, good merchandise, disease-resistant, high-quality, market-friendly varieties such as the iron king。
2. Pre-plant leaching with hot water can break the sleep of the seeds, effectively promote the germination rate of the seeds, and have some effect in terms of sterilization。
3. First, put the seeds in water for about two hours, then pull them out into warm water about 60°c and mix them without interruption in order to prevent the seeds from being burned. If the water drops, the water continues to warm, the process takes about 15 minutes, and then the seeds can be sowed for about five hours。
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Iii. Planting in due time
1. Treated seeds, sowed into seed beds, are not suitable for intensive planting, and it is appropriate to sow about 30 grams of seeds per square metre, so that the soil is humid and the temperature is kept at around 28°c, and it germinates in about four days。
When a seedling grows three leaves, it can be planted. Temperature stabilization at 10°c and above is optimal for planting, contributing to root growth and increasing survival。
3. In general, planting takes place between early april and early may。
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4 the distance between strains is around 60 cm and the distance between rows is about 1. 3 m, with the best of 2,000 plants per acre。
5. The planting will normally take place after 4 p. M. In the middle of the sun or in the middle of the sun, after which the water will need to be replanted in a timely manner and again in approximately five days。
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Iv. Last management
Plantation will also require the timely planting of chinese grass, which will facilitate the growth of roots and seedlings。
2. Fertilizers are mainly based on base fats, which are applied to the bottom before planting, and only a small amount of fertilization is required at a later stage。
3. After application, water must be poured in time to reduce the concentration of fertility and prevent the burning of roots, generally in accordance with seasonal changes. Summer droughts can be watered more, winter can be watered in small quantities, rainy seasons can be drained in time to prevent excessive accumulation of water from causing rotting roots。
[the time and technology of tomato cultivation, which is managed mainly for the removal of grass and fertilization]4 and the normal tomato species, with the exception of a few direct varieties, need to be browsed。
