Reasonable irrigation and fertilization 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 .
Strengthen the pruning and picking up the autumn. The tomato grows fast. It is necessary to pruning in time. The whole pruning method adopts a single-rod pruning method, that is, only the main pole 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 3-4 fruits per ear , and thinning off other fruits to improve the quality of the tomatoes.
Timely and appropriate amount of hormones in order to prevent high temperature caused by falling flowers and fruit, during the autumn delay tomato flowering, with a concentration of 15-20 mg / kg of 2 , 4-D scented flowers, a flower can only be licked once, can also be white in fruit At the time of 2000 mg / kg ethephon smeared with a handle to ripen. 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 .
The pests and diseases that prevent the occurrence of pests and diseases in autumn are only downy mildew, brown spot, aphids, and tobacco budworms. 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 with 40-50 times of tobacco water or avermectin 3000 times solution. Tobacco budworm can be controlled with 20% cypermethrin 2000 times solution.
Timely deduction of anti-freezing shed time depends on the climate. In order to ensure that tomatoes have more than 50% fresh fruit and morning market, when the temperature drops below 20 degrees Celsius, the shed will be started. After the shed, observe the temperature in the shed in time. When the temperature reaches 26 degrees Celsius, 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 degrees Celsius, the shed will no longer bleed.
Source: Agricultural Products Processing Information Network
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Henan liangjin tools co.,Ltd is located in Shangqiu City, Henan Province. The site area of the economic and Technological Development Zone covers an area of more than 30000 square meters, a construction area of more than 3000 square meters, a greening area accounting for more than 30% of the total area, and a design annual production capacity of 30 million rolls of paper, With 10 million screwdrivers, 6 million wrenches, 3 million art knives and 100000 sets of combined tools,specialize in the production of steel tape,tape screwdrivers,art knives,measuring tools,fine tape types of three meters,five meters,seven meters ,five meters,ten meters,as well as double-sided printing tape matte sanding,bright tape.
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