In the transition period between summer and autumn, there are often severe storms and convective weather, often causing lodging or stem damage to crops such as corn. Hereby make the following suggestions for disaster prevention:
The first is to strengthen field management before the onset of the disaster. During the big trumpet period, the maize should be cultivated in time, fertilized and fertilized, promote root growth, ensure that the aerial roots are caught in the soil, and pay attention to listening to the weather forecast, and take measures to reinforce and prevent lodging in advance.
The second is that after the storm, the maize that is lodging or stem-folding before maturity should be promptly raised to avoid mutual pressure and affect the photosynthesis; for the broken corn, if it is only dumped, the plants can be straightened; if it is a stem, it should be The plants are fixed on the bamboo sticks with ropes so that the plants support each other.
Third, corn is a crop that requires large amounts of water but is not tolerant to growth. In the late growth stage of maize, in the high temperature and rainy conditions, the rhizosphere often suffocates due to lack of oxygen, resulting in a rapid decline in viability, and the plants are premature and withered. great influence. For corn that suffers from locust plague, early elimination of water in the fields, reduction of soil and air humidity, and promotion of plant growth should be promoted.
The fourth is to strengthen field management after the corn disaster, timely cultivating, soil cultivation, in order to break the consolidation, improve soil permeability, so that the roots of plants return to normal physiological activities as soon as possible; at the same time increase the available nitrogen fertilizer, Mushi ammonium bicarbonate 15-20 kg, leaf Surface spraying of 0.2% potassium dihydrogen phosphate solution 60-80 kg, accelerate plant growth and reduce flood damage.
The fifth is the high temperature and humidity season, which is also the season of high incidence of corn diseases and insect pests. Attention should be paid to the occurrence of corn rust, leaf spot, ear rot, and locust infestation. It should be selected in the morning or early evening for clear and rainless weather.
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