Stop harvesting leeks generally from the end of June to early August should stop harvesting, in order to facilitate plant growth. Due to the high temperature in summer, the amaranth has less nutrient accumulation and consumes more, which affects the growth of the plants, and the tissue fibers of the leaves increase. The commercial nature is poor, and the growth shows a phenomenon of resting. Therefore, it is generally no longer harvested, otherwise it will affect the growth and yield of autumn, but also affect the life of leeks. Plant culture should be strengthened, roots should be promoted, and the foundation should be laid for the autumn production.
Weeding in summer is hot and rainy, which is beneficial to the growth of weeds and affects the growth of leeks. It is necessary to remove them in time, or use 25% herbicide ether to spray the ground between the rows.
Anti-lodging The weather in summer is hot and rainy. If the leeks are more than two years old, if they are not cut in the summer, the plant height is likely to fall. This will seriously affect the ventilation and light transmission, and make them vulnerable to disease. In order to prevent lodging of the leeks and reduce the disease, the leeks should be framed, that is, a wooden stilt with a height of 30 centimeters should be fixed along the two ridges of the stork, and then a bamboo raft with a length of 2 meters should be tied on the raft, and the rafts should be tangled with the east and west. Three thin steel wires are arranged on both sides and in the middle, and nylon ropes are arranged in the middle of the iron wire at intervals of 25-33 cm to play a fixed role. Then, between each ridge and leechee, the fine bamboo poles are placed on nylon ropes and fastened in the north-south direction. The blades can grow on the bamboo poles without lodging.
Because of the large amount of nutrients consumed in the flowering and consuming of the leek, in addition to the cultivation of the fields, it is also necessary to remove the strong plants in time when the young plants are tender.
Strengthen the management of fertilizer and water According to the conditions of the seedlings, lyrical and weather conditions, pour water once every 7-10 days, and follow the water to apply human excrement and urea. It is best to flush out better-quality bio-organic fertilizer.
Timely prevention and control of pests and diseases In the summer of high temperatures, leeks are most prone to wilt disease, especially when heavy rains meet in the hot sun. Therefore, it is necessary to pay attention to drainage and flood prevention in the summer. After the heavy rain, we use shallow water in well water to reduce the ground temperature and remove the yellow leaves on the ground so that the ventilation between the rows is good and the harm is mitigated. It is also possible to use 50% carbendazim 500 times to irrigate the roots. The occurrence of crickets in the summer is also very serious. It can be used to prevent and cure 48% Burnet and 48% rosin cream.
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