Botulinum toxins are the most lethal toxins known. For type A toxin, the toxic dose is estimated at 0.001 mcg/kg (Franz 1997); the lethal dose for a 70-kg person by the oral route is estimated at 70 mcg, by the inhalational route 0.80 to 0.90 mcg, and by the intravenous route 0.09 to 0.15 mcg (Sobel 2005).
1 hectare = 2.47105381 acres. .07 hectare= .17 acres per person. about 7500 square feet per person. While this figure produces a result of around 5-6 people per acre, there are plenty of caveats to consider. If the soil is not ideal, increase the land. If the growing season is short, increase the land.
Rating Newest Oldest. 1  What else are you having. 1/4 Cup of dried beans per person is a serving. 2  how many pounda of pinto beans should I cook to feed about 60 people. James Â· 1 year ago. 3  I generally do 5 cups dried beans per a dinner! That is what fits in my crock pot.