Leaf area index changes under traditional practice (CK), crop residue
mulching (SM), ridges and furrows, with ridges mulched with plastic film (PM), and
ridges and furrows, with ridges mulched with plastic film and furrows mulched
with crop residues (PSM) in three maize growing seasons: 2007 (up panel), 2008
(middle panel) and 2009 (bottom panel). Bars show standard errors.
Leaf area index changes under traditional practice (CK), crop residuemulching (SM), ridges and furrows, with ridges mulched with plastic film (PM), andridges and furrows, with ridges mulched with plastic film and furrows mulchedwith crop residues (PSM) in three maize growing seasons: 2007 (up panel), 2008(middle panel) and 2009 (bottom panel). Bars show standard errors.
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