Tuesday, June 16, 2009

Pasture Forage Estimate per Acre

I just ran a formula provided in June's Stockman Grass Farmer to determine the quantity of pasture forage per acre I should be able to expect if I am maximizing the pasture's ability to capture solar energy. The environmental variable (as opposed to growing methods) is rainfall during the growing season and one month prior. I found average rainfall data here.

In my range of rainfall (30.5 inches March-October) I should expect between 350 and 400 lbs/inch of rain (I'll say 375) = 11,438 lbs/acre.

5.72 tons per acre. Now I need to find out how that translates to animals and how to build pasture.

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