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High pressure and low pressure fan nozzles for broadacre spraying



High pressure and low pressure fan nozzles for broadacre spraying



Agricultural engineering conference 1990 Proceedings of a conference held in Toowoomba, Australia, 11-14 November 1990: 33-36



The hypothesis that low pressure nozzles give better broadleaf weed control and that high pressure nozzles will give better grass weed control is examined. Pre-seeding knockdowns, broadleaf weed herbicide in crop and grass weed herbicides in crop were studied. Fluorescent dye was added to the chemical mix and tape or string was placed on each plot to determine the deposition. Weed counts determined the effectiveness of the weed control with the different nozzles.

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Accession: 002125187

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By the way, doctor. I read in your July 2003 article on the new blood pressure guidelines with interest because I have high blood pressure. But one thing bothers me about articles on blood pressure: they always seem to talk about blood pressure as if it were the same number all day long. In my case, the systolic pressure can vary by 30 points and the diastolic by 15. So which should you use as your blood pressure reading: the average, the highest, or the lowest?. Harvard Health Letter 29(1): 8-8, 2003