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Table 1 Treatment effects (p values) for dry matter accumulation (DMA), and grain yield (GY) at silking (SS) and physiological maturity (PMS), using year, mulch, nitrogen fertilizer application rates, and planting density as four fixed factors

From: Determining optimal mulching, planting density, and nitrogen application to increase maize grain yield and nitrogen translocation efficiency in Northwest China

Sources

DMA-SS

DMA-PMS

GY

Year (Y)

<  0.001

0.001

<  0.001

Mulch (M)

<  0.001

<  0.001

<  0.001

Nitrogen (N)

<  0.001

<  0.001

<  0.001

Density (D)

<  0.001

<  0.001

<  0.001

Y * M

ns

ns

ns

Y * N

ns

ns

<  0.001

Y * D

ns

ns

0.006

M * N

<  0.001

<  0.001

<  0.001

M * D

ns

0.017

<  0.001

N * D

0.001

ns

<  0.001

Y * M * N

ns

ns

ns

Y * M * D

ns

ns

ns

Y * N * D

ns

ns

ns

M * N * D

0.005

ns

<  0.001

Y * M * N * D

ns

ns

ns

  1. Note: ns Not significant (p > 0.05)