Vegetable pest environmental protection technology

First, a rational crop rotation is the simplest, most economical and effective measure to prevent, control or reduce certain diseases, pests and weeds in vegetables. The rotation cycle is generally 2-3 years.

Second, scientific intercropping between vegetables and certain crops, intercropping or mixed crops can often control or reduce the occurrence of certain pests and diseases. Such as corn and pepper intercropping, corn in the row cucumber, corn intercropping cabbage, potato garlic intercropping, garlic intercropping cabbage, cabbage and amaranth intercropping.

Third, the pile of grass trapping use of earthworms and other hi habitat in the thin layer of grass under the habit, the thickness of 10-20 cm of the haystack by 5 meters row, 3 meters in a pile of uniform placed in the field, the next day to focus on killing If you put some bait under the haystack, it will work better.

Fourth, yellow plate traps kill aphids, whiteflies, etc. have a strong tropism for yellow, yellow traps can be set to kill adults. Cut the fiberboard or cardboard into 1 meter long 0.2 meter long strips, painted yellow, and then coated with a layer of viscous oil (with a little oil and a little oil on the 10th and mix thoroughly), put 32-34 pieces between every 667 square meters, yellow The bottom of the board is flat or slightly higher than the top of the plant. When maggots, whitefly, etc. are sticky, reapply viscous oil in time.

5. Sex attractants are used to seduce and kill off pests by utilizing lures or directly utilizing live females that are not copulated. For instance, if a female moth is used for trapping, a round cage with a length of 10 cm and a diameter of 3 cm can be made from a 50-60 mesh net. Each cage has 1-2 un-matched female moths and the cage is suspended in the basin. On the basin, the water was filled with a little kerosene, and it was put in the field in the evening. It could kill many male moths every night.

6. The urine-washing mixture prepared by mixing fertilizer with urea, washing powder and water at a ratio of 4:1:400 has good prevention and control against various pests, such as aphids, cabbage caterpillars, and red spiders that harm vegetables and flowers. effect. During the spawning period of cabbage caterpillars, spraying with 1%-3% superphosphate calcium leaching solution was effective in avoiding eggs and killing insects. The above method is for test reference.

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