During the season, the temperature will rise significantly and the crops will enter the peak season. At this time, terrestrial vegetables are prone to pests, and greenhouse vegetables are prone to premature aging. This is a critical period for the growth of vegetables, and it is essential to take appropriate protective measures.
1. Land vegetables should pay attention to pest control. At this time, the general principle of pest control is: prevention and prevention.
Agricultural control mainly uses new disease-resistant varieties, seed disinfection, and field operations to control pests and diseases. Through these measures, the source of bacteria can be suppressed and eliminated, and the incidence rate can be reduced.
Ecological control mainly uses the environment required for the growth and development of crops and pathogenic bacteria, and controls the spread of pests and diseases through measures such as releasing wind, draining moisture, cooling, and suffocating.
Biological control is a method of using natural enemies or biological pesticides to control pests and diseases.
Physical control is the use of physical methods to isolate, kill or repel pests and diseases, and achieve the purpose of controlling pests and diseases.
Chemical control is the use of chemical pesticides for foliar spray or root irrigation. However, high-toxic, high-residue pesticides cannot be used, and only low-toxic, low -residue pesticides can be used.
2. Strengthen management of greenhouses and greenhouse vegetables. Greenhouse and greenhouse vegetables have entered the late management. At this time, it is necessary to prevent premature senescence of plants, strengthen management of fertilizer and water, promote the maturity of fruits and vegetables, and timely harvest. Especially for the case of less organic fertilizer, it is necessary to replenish nutrients in time to avoid premature aging of plants and lead to a decrease in vegetable yield.
Article source: Agricultural Bureau of Xingtang County, Hebei Province
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