Method for preventing and controlling farmland weeds in arid areas
A regional and arid technology, applied in the field of plant protection, can solve the problems of many malignant weeds, cotton phytotoxicity, and poor control effect of the malignant weed nightshade, and achieve the effects of wide weed killing spectrum, crop safety and less dosage.
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Embodiment 15
[0040] Formulation example 1 5% chlorpyrizone suspension concentrate
[0041]
[0042] According to the above formula, weigh the original drug of chlorpyridone, water, dispersant, thickener, and preservative, stir at high speed to disperse evenly, and then pulverize it with a sand mill until the average particle size is less than 3 microns to obtain 5% chlorpyridone suspending agent.
Embodiment 242
[0043] Formulation Example 2 42% chlorpyrazone suspension concentrate
[0044]
[0045] According to the above formula, weigh the original drug of chlorpyridone, water, dispersant, thickener, and preservative, stir at high speed to disperse evenly, and then pulverize it with a sand mill until the average particle size is less than 3 microns to obtain 42% chlorpyridone suspending agent.
Embodiment 360
[0046] Formulation Example 3 60% chlorpyrazone suspension concentrate
[0047]
[0048] According to the above formula, weigh the original drug of chlorpyridone, water, dispersant, thickener, and preservative, stir at high speed to disperse evenly, and then pulverize it with a sand mill until the average particle size is less than 3 microns to obtain 60% chlorpyridone suspending agent.
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