A kind of medicine fertilizer sustained-release preparation and its preparation method and application method
A technology of slow-release preparations and medicinal fertilizers, applied in application, fertilization devices, fertilizer mixtures, etc., can solve the problems of untargeted fertilization management and pesticide control, poor disease control effect, unbalanced fertilization, etc., and achieve improved Utilization rate and use effect, saving agricultural materials, and the effect of extending the validity period
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Embodiment 1
[0033] Embodiment 1 Research on compound performance of imidacloprid and fludioxonil
[0034] Experimental method: indoor toxicology test
[0035] LD of tested drugs against wheat field aphids 50 Value test: Take the drug to be tested in each group, immerse the wheat aphids in the drug solution for 10 seconds, absorb the excess drug solution with filter paper, transfer the tested worms to rearing under normal conditions, repeat 4 times for each treatment, and 20 worms were soaked for the second time, and the treatment without pesticide was set as the control.
[0036] The EC of the drug to be tested against wheat sheath blight 50 Value test: Take each group of the drug to be tested, spray the drug solution on the potted wheat plants, keep them all wet, and wait for the drug solution to dry naturally for later use. Each treatment is 1 pot, repeated 4 times, and the treatment without drug is set. as comparison.
[0037] LD of tested drugs against wheat field aphids 50 Value...
Embodiment 2
[0043] Example 2 Medicinal fertilizer sustained-release granules
[0044] Imidacloprid 0.1%, fludioxonil 0.01%, amino acid 65%, polyvinyl alcohol 0.1%, calcium lignosulfonate 0.5%, and kaolin supplemented to 100%.
[0045] Preparation method: mix imidacloprid, fludioxonil and amino acid evenly, and then airflow crush to obtain the original drug containing imidacloprid, fludioxonil and amino acid; dissolve calcium lignosulfonate in water to obtain an aqueous solution of calcium lignosulfonate; kaolin, The aqueous solution of kaolin, polyvinyl alcohol, the original drug containing imidacloprid, fludioxonil and amino acid are mixed, granulated, and obtained.
Embodiment 3
[0046] Example 3 Medicinal fertilizer sustained-release granules
[0047] 0.5% imidacloprid, 0.25% fludioxonil, 55% amino acid, 4% gum arabic, 4% sodium dodecylbenzenesulfonate, diatomaceous earth added to 100%.
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