Potential chemical weapons from living organisms. Toxins are effective and specific poisons produced by living organisms. They usually consist of an amino acid chain which can vary in molecular weight between a couple of hundred (peptides) and one hundred thousand (proteins).
1 NREL previously calculated wind farm land usage at about 85 acres per MW of capacity and capacity density of 3.0 Â±1.7 MW/km 2. 2  Yale calculated wind energy usage down to the turbine level, calculating 1-3 acres per turbine.
A newly seeded pasture or large field requires 50 to 100 pounds of grass seed per acre. For an established field that has bare patches, use 20 to 30 pounds of grass seed to over-seed each acre. Rake the seed so that it is lightly covered up to 1/2 inch.