1. Insect corpse preparations: collect the cabbage worms in the vegetable garden, the armyworms in the wheat fields, the cotton bollworms in the cotton fields, and the corpses of the ground tigers, and then smash them into pulp. Add 50 ml of water per 100 g of wormwood, soak. The insect fluid was filtered out for 24 hours. 50 kg of water, add 50 grams of washing powder and mix well, then become a "medicine liquid", spray these "medicine liquid" on crops infested by similar pests, the killing rate can reach more than 90%, the effect is very satisfactory It is that other different types of pests smell this smell and will refuse to starve to death.
2. Pigeon manure preparation: 1 kg of pigeon dung per 10 kg of water, sealed in a barrel or a cylinder for 15 to 20 days. Stir well during use, and pour it on the root of the melon, which can prevent and cure the tiger. Topdressing crops, killing two birds with one stone.
3, leaf preparation: with fresh bitter eucalyptus leaves 1. 5 kg smashed with water 1.5 kg, filtered to slag, 40 kg of water per kg of juice, can control cabbage caterpillars, vegetable mites. Add 1 part of water with 3 parts of skunk leaves, soak for 1 to 2 days, spray the water immersion liquid and spray it to prevent aphids, cabbage caterpillars, etc.
4, garlic onion preparation: garlic, onion each 20 grams mixed smashed, wrapped with gauze, soaked in 10 kg of water for 24 hours, take out the yarn package, this liquid can effectively prevent beetles, mites, red spiders.
5, brown sugar preparation: 300 grams of brown sugar into 500 ml of water 10 grams of white yeast, placed in a greenhouse or greenhouse, stirred once a day, fermentation for 15 to 20 days, until the surface of the film appears, and then ferment this Then add 100 grams of rice vinegar and shochu, 100 kg of water, mix and spray the cucumber. From the beginning of the onset, spray once every 10 days, continuous spraying 4 to 5 times, has a good effect on the prevention and treatment of cucumber bacterial spots and gray mold.
6, grass ash preparation: 10 kg of grass ash with 50 kg of water soaked for 24 hours to take the filtrate spray can effectively control mites, yellow stalks. If the onion, garlic and leek are harmed by the fly, onion fly, it can be applied or sprinkled with 20 to 30 kilograms of grass ash per mu, which can prevent both cockroaches and increase production.
7. Wheat bran preparation: firstly fry 5 kg of wheat bran and cool it for later use. Then add 90-100% crystal trichlorfon 130-150 grams, 250 grams of sugar, 50 grams of white wine, and evenly mix with 5 kilograms of warm water, then pour the cooled wheat bran into the prepared mixture and mix well. In the evening on a sunny day, sprinkle between vegetables, near the roots of the seedlings, or sprinkle a pile at a distance, to control underground pests such as crickets and tigers, with a control effect of more than 95%.
8, baking soda preparation: with 0.2% concentration of baking soda solution, (small baking soda 100 grams, 50 kg of water), for cucumber, Chinese cabbage powdery mildew, anthracnose, downy mildew and cowpea gray mold The effect reached 93.1%.
9. Potassium permanganate preparation: Spraying powdery mildew of melon with 0.2% potassium permanganate dilution, spraying once every 5 to 6 days, even spraying 2 to 3 times, the effect is no less than Powder rust, etc., and no pollution. After the eggplant is transplanted, it can be sprayed with 800 times of potassium permanganate to prevent the disease of the eggplant, and the control effect is over 90%.
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