FIGURE 3. RESPONSE OF ONTARIO LOAM TO
FERTILIZER TREATMENT
Top: A poverty-grass (Danthonia spicata) pasture in Herkimer
County, on Ontario loam testing pH 6.4, that shows response to
treatment when seeded with a non-legume, cultivated white
mustard, and when seeded with a mixture of grasses and wild white
clover
Center and bottom: 1, untreated 2, complete treatment with
nitrogen, phosphorus, potash, and lime; 3, complete except no
potash; 4 complete except no phosphorus; 5, complete except no
nitrogen; 6, complete except no lime
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