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.
Optimum seeding rate varies based primarily on soil type and environment, with Iowa producers planting a range from 28,000 to 45,000 seeds per acre.Generally, an Iowa corn field has 30,000 plants per acre. Plant populations are increasing an average of 400 plants per acre per year.ptimum seeding rate varies based primarily on soil type and environment, with Iowa producers planting a range from 28,000 to 45,000 seeds per acre.