Posted 10/15/2008 07:42 (#482685 - in reply to #482409) Subject: Re: For all the guys going to the mineral banksin your soil for 2009
NW IOWA
Read the article on page 55 of The Successful Farming magazine. A crop removal rate is actually a build rate because the soil will always mineralize back some fertility. They recomend always go off a soil test to determine fertilizer requirement.