The current period is the management period before and after the planting of autumn vegetables. Vegetable expert Zheng Yonglun reminded:
(1) The current temperature is still high. Be sure to cover it with a shading net. After transplanting, let the seedlings be removed for a few days before removing the shading net; when the temperature is too high, avoid noon and choose to transplant after 4 pm; 2 before transplanting —Three days to dispense the medicine for the marriage, and to send the fertilizer for the marriage, can play a multiplier effect with half the effort. The medicine for the marriage can choose a protective + therapeutic fungicide, such as: mancozeb, mancozeb, and zinc. It is a protective agent, plus Ami Miaoshou, Kairun, Kinda, Luna Sen, choose one of them, and the foliar fertilizer can choose Huilongbao or American Star; it should not be too deep when planting, otherwise it should be 5-6 cm. It will cause retting and rotten roots. Water enough root water when transplanting. Water slow seedling water + 10 catties of urea per mu every 5-7 days after transplanting. Watering depends on the growth of seedlings. Reminder: The density of peppers is 40*40 or 40*30 when transplanting.
(2) Reduce the amount of chemical fertilizers and increase the application of organic fertilizers and biological bacteria fertilizers
Many vegetable farmers report that more and more fertilizers are used, but vegetable yields are getting lower and lower. This is related to their unreasonable habit of using fertilizer. Due to the long-term large-scale application of chemical fertilizers, ignoring the application of organic fertilizers, continuous planting but not deep soiling, a large amount of salt accumulation in the shallow cultivated layer is not conducive to the growth of vegetables, and the activity of beneficial microorganisms in the soil is reduced or even killed. Severe root diseases occurred, resulting in low yield and poor quality of vegetables. In hot weather, the solubility of chemical fertilizers in the soil is very high, coupled with the high salt content in the soil itself, excessive application of chemical fertilizers is not conducive to the growth of roots. Excessive application of chemical fertilizers is easy to cause soil acidification and salinization. The whitening of the soil is saline-alkali, and the redness of the soil is acidification. When these conditions occur, the vegetables will have dead seedlings, rotten roots and no curling leaves. Therefore, vegetables should be fertilized scientifically and reasonably. It is recommended to increase the amount of organic fertilizer and biological bacterial fertilizer. Before planting vegetables, vegetable farmers should pay attention to increasing the amount of organic fertilizer and apply organic fertilizer deeply. Deep application of organic fertilizer is mainly to increase the content of organic matter in the soil, promote the formation of soil aggregate structure, and increase the air permeability of the soil. In addition, vegetable farmers should pay attention to increasing the amount of biological fertilizer. Biological bacterial fertilizer can increase the number of beneficial microorganisms in the soil, inhibit the occurrence of soil-borne diseases, and at the same time promote rooting, which is conducive to the formation of strong trees for vegetables and increases the yield in the later stage.
(3) Watering should be reasonable
Proper watering can promote the deepening of vegetable roots and the formation of strong trees. However, some vegetable farmers watered the vegetables no less than seven or eight times in a month in order to promote the slowing of the seedlings after the vegetables were planted. Watering too often, the soil is too wet, the root system is difficult to pierce, vegetables are prone to lengthy, poor disease resistance, and low fruit setting rate. On the contrary, some vegetable farmers do not dare to water the vegetables in order to prevent the vegetables from growing, which will also affect the growth of the vegetables. Generally speaking, one month after vegetable planting, the first three waters (planting water, slow seedling water, and promoting water) should be watered.
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