Table 6 Parameters used in the curve simulating density-relative grain yields for various maize varieties.

From: Density resistance evaluation of maize varieties through new “Density–Yield Model” and quantification of varietal response to gradual planting density pressure

Varieties

Parameter

−c/lnb

SD

R 2

a

b

c

ZD958

0.5903

0.9272

0.6474

8.5623

0.0905

0.8046**

XY335

0.4921

0.9138

0.8044

8.9289

0.0622

0.9398**

DH661

0.3939

0.8937

1.0463

9.3089

0.1419

0.8362**

YN103

0.5525

0.9025

0.8249

8.0448

0.0533

0.9615**

ZD808

0.5754

0.8813

0.7797

6.1722

0.1095

0.7871**

  1. **Significant at the 0.01 probability level.
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