Application Technology of Fish Crab Rice Field
Paddy field cultivation is a typical high-efficiency ecological agriculture. Fish farming in rice paddy is a common culture method. Feeding pests through fish and crabs can effectively reduce the amount of pesticides sprayed in paddy fields. However, sometimes paddy fields need to be sprayed with pesticides. It is particularly important to use the correct variety of drugs and the proper application of pesticides.
I. Applicable varieties and dosages of fish and crab rice
1. Rice planthoppers. Use 40% dimethoate EC 75ml per water spray. Artificial control can use the characteristics of the insect's suspended animation, using bamboo rods to agitate rice plants, combined with large water, the crabs enter the rice tussock and feed.
2. Rice sheath blight. Use 20% Jinggangmycin wettable powder 50g to 70g per acre to spray water.
3. Leaf curlers, aphids. 90% of insecticidal Dan wettable powder per acre 40 grams to 50 grams or 25% dichlorhydrin 200ml watered spray. Due to the compensation ability of rice, it is necessary to pay attention to the use of herbs in the early stage.
4. rice blast. Per acre with 25% tricyclazole WP 75 g ~ 100 g watered spray.
5. Rice false smut and late leaf disease. Per acre with 20% Trifenin EC 50 ml ~ 75 ml watered spray.
6. Weeds. Herbicides should be used and care should be taken to choose safer applications.
Second, banned pesticides
1. The buprofezin (also known as buprofezin, Inabajing) contains its compound, which inhibits chitin synthesis in crabs and affects crab shelling.
2. Imidacloprid (also known as once-in-a-time, iridoxamine) contains its compound, which interferes with the motor nerves of crabs.
3. Chrysanthemum pesticides, including its compounding agents, are more sensitive to aquatic organisms.
4. Methamidophos affects both the growth rate of fish and the taste of fish.
5.1605, high-toxic pesticides such as monocrotophos, and Weidandan are also prohibited.
Third, application of technology
1. The choice of medicine machine. The motorized mist sprayer should be chosen because the sprayed droplets are misty. If you use a hand sprayer, spray nozzles should be used 0.7 mm, spray mist Note that the nozzle flat spray, spraying the upper rice strains, reducing the amount of liquid droplets in the water.
2. Water slurry management. Before spraying on the large water, generally about 10 cm, in case of high concentrations of pesticides in the water, it should be quickly irrigation drainage.
3. Medication time. The use of sunny days and the use of rice plants with dew and dryness are beneficial for the rice plants to maximize the absorption of liquid chemicals.
I. Applicable varieties and dosages of fish and crab rice
1. Rice planthoppers. Use 40% dimethoate EC 75ml per water spray. Artificial control can use the characteristics of the insect's suspended animation, using bamboo rods to agitate rice plants, combined with large water, the crabs enter the rice tussock and feed.
2. Rice sheath blight. Use 20% Jinggangmycin wettable powder 50g to 70g per acre to spray water.
3. Leaf curlers, aphids. 90% of insecticidal Dan wettable powder per acre 40 grams to 50 grams or 25% dichlorhydrin 200ml watered spray. Due to the compensation ability of rice, it is necessary to pay attention to the use of herbs in the early stage.
4. rice blast. Per acre with 25% tricyclazole WP 75 g ~ 100 g watered spray.
5. Rice false smut and late leaf disease. Per acre with 20% Trifenin EC 50 ml ~ 75 ml watered spray.
6. Weeds. Herbicides should be used and care should be taken to choose safer applications.
Second, banned pesticides
1. The buprofezin (also known as buprofezin, Inabajing) contains its compound, which inhibits chitin synthesis in crabs and affects crab shelling.
2. Imidacloprid (also known as once-in-a-time, iridoxamine) contains its compound, which interferes with the motor nerves of crabs.
3. Chrysanthemum pesticides, including its compounding agents, are more sensitive to aquatic organisms.
4. Methamidophos affects both the growth rate of fish and the taste of fish.
5.1605, high-toxic pesticides such as monocrotophos, and Weidandan are also prohibited.
Third, application of technology
1. The choice of medicine machine. The motorized mist sprayer should be chosen because the sprayed droplets are misty. If you use a hand sprayer, spray nozzles should be used 0.7 mm, spray mist Note that the nozzle flat spray, spraying the upper rice strains, reducing the amount of liquid droplets in the water.
2. Water slurry management. Before spraying on the large water, generally about 10 cm, in case of high concentrations of pesticides in the water, it should be quickly irrigation drainage.
3. Medication time. The use of sunny days and the use of rice plants with dew and dryness are beneficial for the rice plants to maximize the absorption of liquid chemicals.
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