覆盖方式

净光合速率

气孔导度

胞间CO₂浓度

蒸腾速率

Mulching management

Net photosynthetic rate

Stomatal conductance

Intercellular CO₂ concentration

Transpiration rate

(μ mol·m⁻²·s⁻¹)

(mol·m⁻²·s⁻¹)

(μ mol·mol^–1)

(m mol·m⁻²·s⁻¹)

地布覆盖Cloth mulching

20.075 ± 1.035a

0.285 ± 0.080a

210.463 ± 6.931c

7.837 ± 0.895a

秸秆覆盖Straw mulching

17.215 ± 1.532b

0.263 ± 0.003a

225.321 ± 6.533ab

6.641 ± 0.450ab

地膜覆盖Plastic film mulching

19.491 ± 0.454ab

0.270 ± 0.025a

214.656 ± 4.072bc

7.061 ± 0.407a

清耕对照Control

17.148 ± 1.906b

0.235 ± 0.005a

231.877 ± 11.042a

5.668 ± 0.400b