Can ear corn be controlled ahead of time?
Early sowing and seed dressing with imidacloprid before sowing can reduce the damage of ear blast. In the corn big bell-mouth period, when spraying anti-dropping drugs, adding imidacloprid, acetamiprid, pymetrozine, nitenpyram, chlorfenthiazide, etc. can also treat aphids. At the end of the big bell mouth, you can use toxins such as carbofuran, avermectin, etc. to disinfect the soil. In addition to comprehensive prevention in advance, the best period for chemical control of corn ear blast is before the heading of maize at the end of the big bell mouth period. In this period, suitable pharmaceutical agents should be selected and sprayed with appropriate spraying equipment. The crutch is a good helper for the elderly to travel, which can help the elderly to maintain their body balance, support part of their weight and reduce the burden on their legs.
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Walking stick is the most commonly used walking aid for the elderly, including single-legged walking stick, three-legged walking stick, four-legged walking stick, three-legged walking stick with seat, etc
The surface of the handle should have anti-skid design to prevent it from slipping easily from the hand when subjected to external force. The size of the handle should be such that the thumb and forefinger can overlap to form a closed ring when holding.
The bottom end shall be equipped with a foot pad made of rubber sleeve or other anti-skid materials, which is moderately soft and hard. Generally, the rubber head with moderate hardness is more anti-skid than the hard plastic head.
Only by using crutches with proper length can you feel relaxed, comfortable and safer when walking.