Posted by Eldon (WA) on January 29, 2015 at 21:35:14 from (98.247.110.251):
In Reply to: Roundup and cookies? posted by Ralphwd45 on January 29, 2015 at 17:32:00:
Most herbicides are considered low or moderately toxic. All chemicals have a half-life in the environment. Half-life is defined as the amount of time it takes to biodegrade one half of the original amount. Herbicides are broken down by sunlight and microbial activity in the soil.
All chemicals are assigned Lethal Dose (LD 50) numerical values through certain testing procedures. What LD 50 means is the dose or amount of a pesticide which can kill 50% of the test animals when eaten or absorbed through the skin. LD50 is expressed in milligrams of chemical per kilogram of body weight of the test animal (mg/kg). The lower the LD50 the more acutely toxic the chemical.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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