Autumnal date tree diseases and pests

First, we must choose a good variety Gong Zhichang chooses the chili pepper variety Chili pepper imported from Japan. The variety is 30 centimeters in length, and all other aspects perform well.

Second, pay attention to the application of trace element fertilizer Every year, Gong Zhichang will apply a variety of trace element fertilizers on the basis of adequate base fertilizer, of which calcium is essential. The use of sufficient calcium fertilizer in the base fertilizer can make the pepper fruit with higher brilliance and brighter colors.

Third, pay attention to the application of foliar fertilizer and homemade organic fertilizer. Gong Zhichang always stressed that the effect of applying a foliar fertilizer is equivalent to flushing a fertilizer. Fertilization is essential for greenhouse vegetables. He chooses to apply some humic acid fertilizers at the same time, and he regularly fertilizes the milk and bean cake fermented with microbial fertilizers to reduce fertilizer costs. , And can enhance the ability of pepper plants to resist root-knot nematodes and diseases, improve fruit quality. At the same time, he also reminded farmers not to think that fast-acting fertilizers are good fertilizers, because such high levels of fertilizer hormones can easily lead to premature plant failure and reduce the later yield and quality of peppers.

Fourth, to maintain a reasonable temperature difference between day and night in the pepper before setting fruit temperature should not exceed 30 °C, fruit temperature should be maintained at 30 °C or more after the fruit set, and a reasonable temperature difference between day and night is an important condition to ensure the quality of hot pepper fruit. For peppers, a temperature difference of about 10°C between day and night is conducive to the accumulation of nutrients in the pepper fruits, making the pepper fruits bigger and of better quality.

V. Reasonable ventilation More than 10 years ago, an expert from the Chinese Academy of Agricultural Sciences visited the village to give lectures. Experts suggested that even a short-term wind of 30 minutes per day would have a significant effect on improving plant resistance and controlling various diseases. . At the time, such conclusions seemed to be a joke in the eyes of other villagers, but Gong Zhichang realized the importance of doing so during the cultivation of vegetables for many years. He said that in the winter, after unveiling the haystacks, he opened the air vents from one end of the shed, waited until the other end, and then turned back to close the vents. Don't look for only about 30 minutes of ventilation before and after this, but for some. Diseases of vegetables have obvious control effects, such as the disease of tomatoes, gray mold of pepper, spleen of zucchini, and so on.

Six, ridge cultivation can effectively avoid dead trees There are still many vegetable farmers in the cultivation of pepper when the flat ridge cultivation, which is also quite undesirable. Because the peppers are cultivated or fertilized after the planting of the flat ridges, the stalks of the stalks are not only non-absorbing but also rooted because of the lignification of the base of the stalks. In addition, the humidity of the shed interior is generally large, so it is more likely to cause the chillies. The occurrence of diseases at the base of stems leads to dead trees. Therefore, it is advisable to raise ridges when growing peppers.

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