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{ Monthly Archives } May 2009

6-24-6 versus 10-34-0

We’ve had a couple of clients ask us about 6-24-6 versus 10-34-0 as a starter fertilizer, particularly for corn.  The study that is often cited as showing that 6-24-6 is superior is from SRP868 Kansas Fertilizer Research 2000, page 72.  It looks as though they averaged the two results from the Rossville trial (which was [...]

2009 05 04 jtone Crops Comments (0)

Why Do Phosphorus Levels Rise in Manured Fields?

With the latest revision to Manitoba’s manure regulations, manure application is restricted on fields with high soil test phosphorus.  If a field regularly receives manure on a nitrogen basis, the soil test phosphorus levels will rise. N:P2O5 Ratios The biggest factor in rising soil test phosphorus is the N:P2O5 ratio of the manure versus the [...]

2009 05 01 jtone Crops
Manure
Soil Sampling Comments (5)