[Continuous rainy weather, how to manage vegetables] These days, almost every day is rainy weather, which is a very difficult day for crops. In these days of continuous cloudy and rainy days, various vegetables grown in the soil have experienced more or less abnormal conditions, and some have occurred. So how do you manage vegetables in a weather like this?
1, watering and fertilizing should be careful: in this low temperature season watering and fertilizing should be very careful, if the timing of fertilization is wrong, the roots of the team vegetables is very easy to cause damage. There is also the choice of fertilizer when not only cheap, should choose the content of sufficient, fertilizer-efficient water-soluble fertilizer, pay attention to the scientific ratio of fertilizer.
2, the weather suddenly clear to pay attention to: the weather has always been a rainy day, suddenly turned fine, many shed vegetables appear acute wilting phenomenon, then, you can use the method of uncovering sputum, spray warm water is very effective. Need to remind everyone that the warm water sprayed at this time is about 25 °C, and it can't be too high. The amount of warm water needed for spraying in the whole shed is not too big.
3. The yellow leaves of vegetables should be clearly identified. Reasons: The yellow leaves of vegetables can be generally divided into physiological diseases and non-physiological diseases. Under the condition that the leaves and stems of the plants are not abnormal, they can be distinguished by the characteristics of disease occurrence. In rainy weather, some greenhouses have high soil moisture, and vegetables are susceptible to root diseases, which reduces the absorption capacity of roots, resulting in yellow leaves in vegetables. Vegetable farmers should pay attention to strengthen the prevention of root diseases. At the same time, it is necessary to pay attention to the nutrition of the vegetables by foliar application of the whole nutrient leaf fertilizer to prevent the occurrence of yellow leaves.
Especially after entering the winter, some areas have already had frost, the temperature has been continuously reduced, and it may suddenly turn fine. Therefore, the vegetable farmers must pay attention to the situation of vegetables during this time, so as not to affect the vegetable output.
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