How to prevent and cure summer vegetable pests and diseases

　　 1. Reasonably arrange vegetable production, arranging farmland farming and implementing crop rotation.

 

　　 2. Strengthen field management, timely cultivating, clearing the drainage ditch, and discovering that the vegetable ground water should be cleared in time. It is necessary to properly trim and shape, and remove the dense stems, branches, flowers, fruits, diseased branches and diseased leaves to keep the plants ventilated and transparent. Diligent examination, if the diseased plant is found, it should be removed early to block the spread of the disease.

 

　　 3. Sexual attractant traps In the adult stage of pests, using the chemotaxis of adults, trapping male adults, such as Spodoptera litura, Plutella xylostella, in a vegetable garden trap.

 

　　 4. Light trapping uses the phototaxis of pests, and insecticide lamps are installed in the field to kill the moths and scarab pests of the scale-wing pests.

 

　　 5. Use aphids, whiteflies chemotaxis yellow yellow template trapping field provided aphids, whiteflies, per 20 acres provided.

 

　　 6. Chemical control diseases should be sprayed in the early stage of the disease, and pests should be sprayed before the 3rd instar. It is better to apply the night moth pests in the evening.

 

( Source: Gansu Farmers' Report )

 

Total 1 | <First <Prev 1 Next> Last> |
share to:

Screws

The product range of Hongchuang hardware fasteners includes hexagon head screws, full thread and half thread hexagon socket head cap screws, hexagon wood screws, hexagon socket head cap screws, full thread and half thread hexagon socket countersunk head screws, hexagon socket head flange screws, set screws, etc. We provide products conforming to DIN, ANSI and JIS standards.

Stainless steel of grade 304 contains nickel of 8% and chromium of 18% and is the most commonly used grade for the production of fasteners. It possesses an excellent combination of strength, corrosion resistance and fabricability. Fasteners of this grade are being extensively used today in almost every industry.

Metal Screw,Self Tapping Screws,Stainless Steel Screws,Steel Screws

Taizhou Hongchuang Hardware Co., Ltd. , https://www.taizhouhongchuang.com