In recent days, northern China’s vegetable production areas have entered alternating weather of cloudy and sunny weather. In terms of management, vegetable farmers should be flexible in changing weather conditions to ensure the safe transition of vegetables in the changing weather.
Pay close attention to weather forecasts in a timely manner. Before the onset of rainy days, rationally adjust watering, or reduce the amount of watering, avoid excessive soil moisture content, increase the humidity in the greenhouse, and make vegetables susceptible to diseases. At the same time, the current vegetable growth is strong and the drug resistance is poor. Therefore, before the onset of rainy days, farmers should reduce or postpone the use of drugs to avoid phytotoxicity.
After the rainy days, vegetables in the sheds are prone to wilting. It is therefore recommended that vegetable growers cool off the sun as soon as possible, and do a good job in root maintenance.
The first is the timely addition of shelter shade. After continuous rainy days, the cooling agent or mud on the shed will wash away, so after the rainy weather, we must clear the shed area in time to make up for the cooling agent or mud. Of course, it is also possible to reserve a certain amount of dry soil in fine weather. After the rain is fine, sprinkle dry soil on the water in the shed area to make the water in the shed area mud, so as to increase the shade area.
Followed by the use of water for cooling. In combination with the soil moisture in the shed, the water temperature can be used to reduce the temperature in the shed to avoid a sudden increase in the temperature in the shed.
Again is to raise the roots. Through acupuncture and rushing biological bacterial fertilizer and other measures to supplement the amount of beneficial bacteria in the soil, improve the micro-ecological environment in the rhizosphere, stimulate root growth, promote root mass, and prevent root diseases at the same time, so as to achieve the purpose of root ecosystem conservation. Such as the root baby, biological compound bacteria.
The final fender work also needs to be performed simultaneously. In the morning on a sunny day, the plants were sprayed with water in a timely manner to reduce the physiological loss of water and wilting and to prevent burning of the leaves. After the degree of wilting of plants has been reduced, 800 times of cytokinin can be sprayed with 600 times of aromatic leaf foliar fertilizer, or 600 times of seaweed fertilizer can be sprayed, and proper nutrition can be supplied through the leaves.
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