Autumn delay tomato how to produce high yield:
Autumn delay tomato reasonable irrigation and fertilization Linyi fertilizer network copyright
In order to reduce the hot season temperature and prevent disease, it is advisable to fill the horse water in the morning and evening, and then drain the surface after moistening to prevent excessive humidity and root disease. The soil in the field is always moist. Topdressing combined with irrigation. After 10 days of planting, combined with cultivating and weeding, apply 3% compound fertilizer water; when the first ear fruit grows to the size of walnut, 10 kg of urea per mu is applied; when the third ear is stable, 10 kg of urea is applied. Linyi Fertilizer Network Copyright
Late autumn pruning tomato topping strengthen Linyi fertilizer Copyright
In the autumn, the tomatoes grow fast, and they should be pruned in time. The whole branch adopts the single-stalk pruning method, that is, only the main stalk is left, the other side branches are all knocked off, and the foot buds are erased, and the herringbone frame is placed to prevent lodging. In the end of September, pick up the heart in time, leaving three spikes of fruit, retaining 3 to 4 fruits per ear, and thinning off other fruits to improve the quality of the tomatoes. Linyi Fertilizer Network Copyright
Autumn delay tomato timely and appropriate use of hormones Linyi Fertilizer Network Copyright
In order to prevent the high temperature from falling and falling fruit, during the flowering period of delayed tomato in autumn, with a concentration of 15~20 mg/kg of 2,4-D scented flower, one flower can only be licked once, and 2000 mg can be used when the fruit color is whitish. / kg concentration of ethephon smeared with fruit handle ripening. In the late stage, the fresh fruit can not naturally grow red due to low temperature. The green fruit can be removed with a concentration of 2000 mg/kg of ethephon, and the red color can be reddened at room temperature. The tomatoes can be marketed from late December to early January. Linyi Fertilizer Network Copyright
Autumn delay tomato control pests and diseases Linyi Fertilizer Network Copyright
The pests and diseases that occur in late autumn tomatoes are only downy mildew, brown spot, aphids, and tobacco budworms. Linyi Fertilizer Network Copyright
Disease prevention can be alternately controlled with Daisen zinc 800 times liquid or anti-virus 矾 600 times liquid, once every 7 days, and even 3 times. Aphids can be controlled by 40 to 50 times of tobacco water or avermectin 3000 times. Tobacco budworm can be controlled with 20% chlorpyrifos 2000 times solution. Linyi Fertilizer Network Copyright
Autumn delay tomato timely buckle shed antifreeze Linyi fertilizer network copyright
The time of the shed is determined by the climatic conditions. In order to ensure that the tomatoes have more than 50% fresh fruit and the morning market, the shed will start when the temperature drops below 20 °C. After the shed, observe the temperature in the shed in time. When the temperature reaches 26 °C, the wind should be released in time, and the venting time should be gradually reduced with the temperature drop. When the temperature drops to 5 °C, the shed will no longer bleed. Linyi Fertilizer Network Copyright
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