Table 1

Biomass of cover crop mixes and weeds within cover-crop mixes, measured in April of each year.

Cover-crop mix biomass (t dry wt/planted ha)
Treatment199819992000Mean
Native grass7.26ba3.56bc2.18c4.34b
Green manure9.05a4.44ab4.49a5.99a
Clovers5.42c5.38a3.18b4.66b
Cereals7.44b2.58c3.68b4.57b
Weed biomass (t dry wt/planted ha)
Treatment199819992000Mean
aMeans followed by the same letter in each column are not significantly different (LSD, p < 0.05).
Native grass0.44ab0.01b0.04b0.15a
Green manure0.18b0.36a0.34ab0.29a
Clovers0.27b0.10b0.64a0.34a
Cereals0.76a0.11b0.36ab0.41a