In the early stage of tomato growth, the same as the growth of summer tomato plants, it is in a high-temperature drought and heavy rain season. In the late growth stage, it often encounters autumn drought. Therefore, it is necessary to choose a land with convenient water supply and drainage. Working height can be slightly lower than in the spring.
Planting density is about 3,000 plants per mu. There are some shade-reducing measures for temperature in the early stage of growth. For example, interplanting cowpeas, buckwheat noodle straw, and sugarcane leaves all reduce the soil temperature and have a certain moisturizing effect.
Water should be watered in the early days of the sunny day when it is dry, ensuring the soil is moist. The principle of water management is to drench when planting, lightly pour before flowering, and then re-cast after the result. Top-dressing combined with watering, according to the growing trend of plant topdressing diluted manure water plus 1% of the compound fertilizer for raising seedlings, but also for extra-root fertilizer. After harvesting the first batch of fruit, the fruit fertilizer should be re-applied for 2 to 3 times. 20 kg of compound fertilizer, 40 kg of superphosphate and 10 kg of potassium sulfate can be applied per mu.
Early high temperatures often cause drop and fruit drop, 2,4-D can be used, and the concentration should be diluted. Pruning and topping should also be timely, generally topping up about 40 days before the onset of early frost, so that the results can be fully mature. If the form of protection is adopted, it can be topped a little later, leaving 4 to 6 ears per plant. Conservation cultivation in cold dew should gradually pay attention to insulation and antifreeze. The temperature in the shed is kept at 25-28°C during the day and 15-20°C at night. Throughout the growing period, attention should be paid to the control of aphids, virus diseases, and epidemics.
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