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May 19, 2016
Our most commonly used pesticide spraying surfactant mostly nitrogen-one surfactant.In recent years, scientific discoveries silicone surfactant is added to the pesticide spraying than one surface active agent nitrogen more efficient use of pesticides, reducing pesticide delivery volume.
Tomato, cabbage, rape, spinach, green onions, celery and add different kinds of blades when pesticide spraying surfactants show:
1, 0.5% in the pesticide emamectin benzoate EC 2000 times bacteria plus silicone surfactant is a surface tension of 0.05%;After adding the same dilution Azone surfactant, the surface tension of 0.1%. If workers in pesticide EC has been added to a variety of additives, in use, continue to add silicone surfactant agent, can further reduce the surface tension of the liquid.
2.Add silicone surfactant in pesticide spraying of liquid on the contact angle greater than 90 degrees chip plant.For rape, tomato, spinach, celery leaves of table waxy layer less easily wetted, but cabbage and green onions blade surface due to the waxy layer is thick, the contact angle is an obtuse angle, water droplets easily rolled.Plus one surfactant liquid nitrogen on tomato, spinach and kale are not as wet spreading blade silicone surfactants.
3.Add silicone surfactants in pesticide use can significantly increase droplets on plant leaves spreading area, spreading area increased by multiples 19.61¯96.16 times, significantly better than the commonly used nitrogen-one surfactant.
Organic silicon as the main component of surfactant products have been widely used in household wash, spray pesticides directly added,Pesticides can significantly improve the effective interest rate, reduce the amount of pesticide delivery,And it can reduce the wetting and spreading ability and low surface tension of liquid biological target surface of liquid pesticides.