Table 2

Percent nitrogen and potassium in cover-crop mixes, measured in April of three years.

N (%)P (%)K (%)
Treatment199819992000aMean19991999
aOne sample per treatment only.
bMeans followed by the same letter in each column are not significantly different (LSD, p < 0.05).
Native grass1.12bb1.27b2.021.29b0.21a2.02b
Green manure2.40a2.59a2.132.45a0.17a2.03b
Clovers2.72a2.56a2.912.67a0.17a3.09a
Cereals0.68c0.93c1.000.83c0.22a1.55c