Common diseases and insect pests are common in the balcony courtyard, which is safe and effective.

The prevention and control of organic vegetable planting diseases and insect pests in courtyard or balcony should be based on prevention and combination of prevention and control, and can be controlled by physical and biological methods. Aphids and other common pests appearing in the planting process, using pepper water, leek water, garlic juice and other plant extracts, a large amount of extraction cost is high, the use effect is general, today courtyard show for you to introduce several methods can try out.

1. Fungal and bacterial diseases

(1)The use of decomposed fertilizer, the use of high temperature stuffy shed, sulfur fumigation, etc., to eliminate germs.

(2)Seed disinfection, seedling stage through a variety of microbial root irrigation, enhance resistance

(3)Use greenhouse arch shed facilities to create a normal environment suitable for vegetables, timely ventilation, cooling and moisture removal, reduce disease conditions.

(4)The inevitable powdery mildew, leaf mildew and other diseases are allowed to be controlled by microbial agents and mineral-derived fungicides.

Microbial agents: Trichoderma, Bacillus subtilis, emodin methyl ether, lentinan, eugenol, Pitot, etc.

Mineral source fungicides: stone sulfur mixture, Bordeaux mixture, copper master, etc.

Amino acids, seaweed fertilizer, wood vinegar, biogas slurry, rice vinegar, brown sugar and other liquid fertilizers can be added in the process of plant protection to strengthen plant resistance.

2. Common pests

(1) Some pests in the shed can be eliminated by using high temperature in summer.

(2) Strengthen greenhouse arch shed insect net coverage, timely clean weeds, reduce shed string, etc.

(3) Physical and biological measures such as hanging sticky insect board, ultraviolet lamp, aphid wasp and Amblyseius cucumeris.

(4)Pesticides of vegetable and mineral origin are permitted. such as pyrethrum, rotenone, matrine, veratrine, bacillus thuringiensis, pitot, mineral oil, etc

3. Use various soil methods to trap pests

(1) Sweet and sour drinks ratio 3:4:1:2

(2) Trapping cutworms with tung tree leaves

(3) Dried chicken manure is fried in granules and sprinkled on the roots of vegetables.

(4) Plant ash can be sprayed or applied in holes to control leek maggots.