Figure 3 | Scientific Reports

Figure 3

From: Maize productivity and soil properties in the Loess Plateau in response to ridge-furrow cultivation with polyethylene and straw mulch

Figure 3

Soil temperatures in different soil layers and production systems (RFFM, seedbed was prepared as alternating ridge-furrow units mulched with transparent polyethylene film; RFFSM, alternating ridge-furrow units mulched with transparent polyethylene film and wheat straw; FFM, non-contoured seedbed mulched with polyethylene film; CK, non-contoured seedbed without mulch) during two growing seasons in the Loess Plateau. *,** and *** denote significance at the P < 0.05, 0.01, and 0.001 levels, respectively; ns, not significant.

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