How they teach you the recipe with pesticides

With the concept of enhancing people's health, pollution-free vegetables, have become increasingly demanding of high pesticide residues even get attention. The man made pollution-free "soil pesticide" pest control, effective, low cost, making simple, harmless to humans and animals at the same time, has multiple purposes. Now introduce some commonly used pesticides in the soil preparation of "grass side": * 3]% T. F S5 m% f "C; V-b & M 

First, the insect body preparations to insect pest. Rapae in the garden, cutworms and other pests collected, smashed into a pulp, per 100 gram of water one day after two soaking, filter out the debris, 50 kg of water, add a small amount of washing powder, stir evenly, dubbed "solution." Spraying against pests in vegetables by the same, and because of the smell repellent, insect antifeedant, killing more than 50% rate 

Second, leaf insects, simple. Ailanthus altissima with fresh neem leaves or 1 kg of pounded leaves, add the same amount of water soaked day, filtered to the residue, add 50 kg of water spray, can prevent Pieris, aphids and so on. 

Third, the onion, garlic, pepper, insecticide obvious. Take onions, garlic, chili, 50 grams of wet mash together, wrap with gauze, placed in 15 kg of water, soak for 24 hours, with the leaching liquid spray, which can effectively control aphids, red spider. $ F2 g, s' T-V0 B a! Q8 \ 

Fourth, "sugar-coated bullets", trapping pests. 0.5 kg with brown sugar, vinegar, 1 kg, 10 kg of water, mixing, and then add appropriate amount of pesticides, vegetable scores placed in the basin, such as adults of Pieris, a great temptation, can reduce the larval hazards. 0] 3 v-H "} 5 \ (c # s * d 

_ V, "play (gray) waste heat" can also be pest control. Ash with 10 kg 50 kg water, soak for 24 hours after taking the filtrate spray, can prevent aphids; same time, the onions, garlic, chives by the kinds of fly, onion maggot damage, the ash can be 30-50 kg per mu applicator, both anti- maggots, but also increase production, the effect is obvious. 

VI, potassium permanganate, soaking with spray more in one fell swoop. Diluted with 0.2% potassium permanganate solution, soaked 20 minutes, washed with water, can kill the seed carrying the pathogen, reducing post-bacteria violations. 600-1000 times the potassium permanganate solution with a spray, 1 spray every 5-6 days, and even spray 2-3 times, and can effectively control powdery mildew and the melon crop seedling damping-off, root rot. 

VII, baking soda solution, to show their talents. With 0.2% sodium bicarbonate solution (100 grams of baking soda water 50 kg) spray, cucumber, cabbage, powdery mildew, anthracnose, downy mildew and Botrytis cinerea, the control effect was also evident.