Agriculture Reference
In-Depth Information
Figure 5.5
Above-ground biomass ofpea (a) and
Brassica hirta
(b) grown in pure
stands and mixtures,with and without N fertilizer,at 160 days after planting in a
field experiment conducted in California,USA.Ninety kg N ha
1
(as ammonium
sulfate) was applied to N fertilized treatments at planting and again 94 days later.
(M.Liebman,unpublished data.)
Search WWH ::
Custom Search