Table 4 Semivariogram models and parameters for the maize yield (t ha−1) in 2013 and 2014 in Braszowice and Pusté Jakartice. (Sph. – spherical, C0 – nugget, C0+ C – sill, A – effective range).
From: Determining the effect of exogenous organic materials on spatial distribution of maize yield
Parameters | Model | C0 | C0+ C | A (m) | C0/(C0+ C) | R2 |
|---|---|---|---|---|---|---|
Braszowice | ||||||
Year 2013 | ||||||
Grain yield | Sph. | 0.367 | 1.762 | 18.6 | 0.208 | 0.407 |
Straw yield | Sph. | 0.240 | 5.259 | 17.0 | 0.046 | 0.309 |
Grain plus straw yield | Sph. | 0.590 | 11.89 | 17.7 | 0.050 | 0.309 |
Year 2014 | ||||||
Silage yield | Sph. | 1.352 | 4.181 | 31.3 | 0.324 | 0.507 |
Pusté Jakartice | ||||||
Year 2013 | ||||||
Grain yield | Sph. | 0.116 | 1.970 | 43.7 | 0.059 | 0.941 |
Straw yield | Sph. | 0.589 | 1.228 | 13.3 | 0.480 | 0.619 |
Grain plus straw yield | Sph. | 1.200 | 4.006 | 31.3 | 0.300 | 0.895 |
Year 2014 | ||||||
Silage yield | Sph. | 0.550 | 5.070 | 50.0 | 0.108 | 0.956 |
